CELIK, Mehmet. Impact of Recycling Container Placement and Communication Strategies on Waste Paper Collection. Journal of Policy Options, [S. l.], v. 4, n. 2, p. 37–42, 2021. Disponível em: https://resdojournals.com/index.php/jpo/article/view/148.. Acesso em: 23 jun. 2025.