OKONKWO , Augustina U. Integration of Informal Waste Segregation (Scavenging) for Efficient Waste Management System Iin Anambra State, Nigeria . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 4, n. 1, p. Pg 76–88, 2017. Disponível em: http://ajest.org/index.php/ajest/article/view/174. Acesso em: 3 apr. 2026.