SITOMPUL, A.; RUSLAN; NURHAYATI. Legal awareness and the role of market traders in waste management in Simpang Limun market environment in Medan city . The International Journal of Politics and Sociology Research, [S. l.], v. 11, n. 1, p. 63–74, 2023. DOI: 10.35335/ijopsor.v11i1.110. Disponível em: https://ijobsor.pelnus.ac.id/index.php/ijopsor/article/view/110. Acesso em: 21 apr. 2026.