SARKINGOBIR, Y. .; WAHEED, S. A. .; ABUBAKAR, M. .; GILANI, N. . Plastic Materials in a Classroom Environment: An Assessment of Nursery Classes in Sokoto State, Nigeria. Pakistan Journal of Social Sciences, [S. l.], v. 43, n. 2, p. 217-226, 2023. Disponível em: http://pjss.bzu.edu.pk/index.php/pjss/article/view/1224. Acesso em: 20 apr. 2024.