1. Ajzen, I. (1985). From intentions to actions: A theory of planned behavior. Springer.
2. Barnes, M. L., Lynham, J., Kalberg, K., & Leung, P. S. (2016). Social networks and environmental outcomes. Proceedings of the National academy of Sciences of the United States of America, 113, 6466–6471.
3. Buntaine, M. T., Nielson, D. L., & Skaggs, J. T. (2021). Escaping the disengagement dilemma: Two field experiments on motivating citizens to report on public services. British Journal of Political Science, 2, 685–705.
4. Cai, Y. H., & Zhang, Z. (2010). The inspiration of foreign waste recycling to China. Journal of Beijing University of Chemical Technology, 2010, 29–31.
5. Castagna, A., Casagranda, M., Zeni, A., Girelli, E., Rada, E. C., Ragazzi, M., & Apostol, T. (2013). 3R’S from citizens point of view and their proposal from a case-study. University Polytechnical of Bucharest Scientific Bulletin, 75, 253–264.