Agarwal, S., Erramilli, M. K., i Dev, C. S. (2003). Market orientation and performance in service firms: role of innovation. Journal of Services Marketing, 17(1), 68-82. https://doi.org/10.1108/13522750710819685
Baily, M., Farrell, D., i Remes, J. (2006). The hidden key to growth. How local services stimulate economic expansion. The International Economy, Winter, 48-55
Becheikh, N., Landry, R., i Amara N. (2006). Lessons from innovation empirical studies in the manufacturing sector: A systematic review of the literature from 1993-2003, Technovation, 26(5-6), 644-664. https://doi.org/10.1016/j.technovation.2005.06.016
Capitanio, F., Coppola, A., i Pascucci, S. (2010). Product and process innovation in the Italian food industry. Agribusiness, 26(4), 503-518. https://doi.org/10.1002/agr.20239
De Jong, J. P. J., Bruins, A., Dolfsma, W., i Meijaard, J. (2003). Innovation in Service Firms Explored: What, How and Why? EIM Report, Zoetermeer
Drucker, P. F. (1985). Innovation and Entrepreneurship: Practice and Principles. Harper and Row
GUS (2012). Działalność innowacyjna przedsiębiorstw w latach 2009-2011, GUS
Gagić, S. (2016). Restaurant innovativeness: A case study of Vojvodina. The European Journal of Applied Economics, 13(2), 57-69. https://doi.org/10.5937/ejae13-10503
Gomezelj Omerzel, D. (2016). A systematic review of research on innovation in hospitality and tourism. International Journal of Contemporary Hospitality Management, 28(3), 516-558. https://doi.org/10.1108/IJCHM-10-2014-0510
Gunday, G., Ulusoy, G., Kilic, K., i Alpkan, L. (2011). Effects of innovation types on firm performance. International Journal of Production Economics, 133(2), 662-676. https://doi.org/10.1016/j.ijpe.2011.05.014
Hjalager, A. M. (2010). A review of innovation research in tourism. Tourism Management, 31(1), 1-12. https://doi.org/10.1016/j.tourman.2009.08.012
Hult, G. T. M., Hurley, R. F., i Knight, G. A. (2004). Innovativeness: its antecedents and impact on business performance. Industrial Marketing Management, 33(5), 429-438. https://doi.org/10.1016/j.indmarman.2003.08.015
Hwang, J., Yoon, Y., i Park, N. (2011). Structural effects of cognitive and affective responses to web advertisements, website and brand attitude, and purchase intentions: The case of casual-dining restaurant. International Journal of Hospitality Management, 30(4), 897-907. https://doi.org/10.1016/j.ijhm.2011.01.011
Johannessen, J. A., Olsen, B., i Lumpkin, G. T. (2001). Innovation as newness: what is new, how new, and new to whom? European Journal of Innovation Management, 4(1), 20-31. https://doi.org/10.1108/14601060110365547
Johne, A., i Davies, R. (2000). Innovation in medium-sized insurance companies: how marketing adds value. International Journal of Bank Marketing, 18(1), 6. https://doi.org/10.1108/02652320010315316
Kim, E., Tang, L. R., i Bosselman, R. (2018). Measuring customer perceptions of restaurant innovativeness: Developing and validating a scale. International Journal of Hospitality Management, 74, 85-98. https://doi.org/10.1016/j.ijhm.2018.02.018
Kowalska, A. (2018). Innowacyjność polskiej gastronomii i jej uwarunkowania. Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Kuratko, D. F., Ireland, R. D., Covin, J. G., i Hornsby, J. S. (2005). A model of middle-level managers’ entrepreneurial behavior. Entrepreneurship Theory and Practice, 29(6), 699-716
Lee, C., Hallak, R., i Sardeshmukh, S. R. (2016). Innovation, entrepreneurship, and restaurant performance: A higher-order structural model. Tourism Management, 53, 215-218. https://doi.org/10.1016/j.tourman.2015.09.017
Linton, J. D. (2009). De-babelizing the language of innovation. Technovation, 29(11), 729-737. https://doi.org/10.1016/j.technovation.2009.04.006
Mellenbergh, G. J. (2019). Counteracting Methodological Errors in Behavioral Research, Springer Nature Switzerland AG. https://doi.org/10.1007/978-3-030-12272-0_3
Miles, I. (2005). Innovation in Services. W: J. Fagerberg, D.C. Mowery, R.R. Nelson (red.), The Oxford Handbook of Innovation. Oxford University Press
Novelli, M., Schmitz, B., i Spencer T. (2006). Networks, clusters, and innovation in tourism: A UK experience. Tourism Management, 27(6), 1141-1152. https://doi.org/10.1016/j.tourman.2005.11.011
Orfila-Sintes, F., i Mattsson J. (2009). Innovation behaviour in the hotel industry. Omega – International Journal of Management Science, 37(2), 380-394. https://doi.org/10.1016/j.omega.2007.04.002
Ottenbacher, M. C. (2007). Innovation management in the hospitality industry. Different strategies for achieving success. Journal of Hospitality i Tourism Research, 31(4), 431-454. https://doi.org/10.1177/1096348007302352
Ottenbacher, M. C., i Gnoth, J. (2005). How to develop successful hospitality innovation. Cornell Hotel and Restaurant Administration Quarterly, 46(2), 205-222. https://doi.org/10.1177/0010880404271097
Ottenbacher, M. C., i Harrington, R. J. (2009). Institutional, cultural and contextual factors: Potential drivers of the culinary innovation process. Tourism and Hospitality Research, 9(3), 235-249. https://doi.org/10.1057/thr.2009.8
Pikkemaat, B., i Peters, M. (2006). Towards the measurement of innovation: A pilot study in the small and medium sized hotel industry. Journal of Quality Assurance in Hospitality i Tourism, 6(3-4), 89-112. https://doi.org/10.1080/13032917.2007.9687036
Podręcznik Oslo: Zasady gromadzenia i interpretacji danych dotyczących innowacji (2005). OECD/Wspólnoty Europejskie, Ministerstwo Nauki i Szkolnictwa Wyższego
Poulston, J., i Yiu, A. Y. K. (2011). Profit or principles: Why do restaurants serve organic food? International Journal of Hospitality Management, 30(1), 184-191. https://doi.org/10.1016/j.ijhm.2010.04.004
Raport PMR (2020). Rynek HoReCa w Polsce 2020. Analiza rynku i prognozy rozwoju na lata 2020-2025. PMR
R Core Team (2021). R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing, https://CRAN.R -project.org/package=tree
Ripley, B. (2019), tree: Classification and Regression Trees. R package version 1.0-40. https://CRAN.R-project.org/package=tree
Robinson, C., Abbott, J., i Shoemaker, S. (2005). Recreating cheers: an analysis of relationship marketing as an effective marketing technique for quick-service restaurants. International Journal of Contemporary Hospitality Management, 17(7), 590-599. https://doi.org/10.1108/09596110510620663
Rowe, M. (2010). Five trends you can’t ignore. Restaurant Hospitality, 94(7), 22-28
Sandvik, I. L., Duhan, D. F., i Sandvik, K. (2014). Innovativeness and profitability: an empirical investigation in the Norwegian hotel industry. Cornell Hospitality Quarterly, 55(2), 165-185. https://doi.org/10.1177/1938965514520963
Stierand, M., Dörfler, V., i Macbryde, J. (2014). Creativity and innovation in Haute Cuisine: towards a systemic model. Creativity and Innovation Management, 23(1), 15-28. https://doi.org/10.1057/thr.2008.28
Sue, V. M., i Ritter, L. A. (2007). Conducting Online Surveys. Sage Publications
Valliant, R., Dever, J. A., i Kreuter, F. (2018). Practical Tools for Designing and Weighting Survey Samples. Springer International Publishing AG
Weerawardena, J., i Mavondo, F. T. (2011). Capabilities, innovation and competitive advantage. Industrial Marketing Management, 40(8), 1220-1223. https://doi.org/10.1016/j.indmarman.2011.10.012