Bibliografia
Deci E.L., Ryan R.M., 2000, The "what" and "why" of goal pursuits: Human needs and the self-determination of behavior, Psychological Inquiry, 11(4): 227-268.
James N.P., 2014, Golden Rules for Engaging Students in Learning Activities, www.edutopia.org/users/nicolas-pino-james [2.12.2015].
Slaper T.F., Hall T.J., 2011, The Triple Bottom Line: What Is It and How Does It Work?, Spring, 86(1): 4-8.
Tidball K.G., Krasny M.E., 2011, Toward an ecology of environmental education and learning, Ecosphere, 2(2): 1-17.
Wentzel K.R., 2009, Peers and academic functioning at school, in: K. Rubin, W. Bukowski, B. Laursen (eds.), Handbook of peer interactions, relationships, and groups. Social, emotional, and personality development in context, New York: Guilford Press.