EDEM, Timothy; ESSIEN , Ekemini Clement; USIP, Edidiong. A Comparative Policy Analysis of Plastic Waste Governance and The Construction-Sector Recognition Gap in Five Sub-Saharan African Countries. American Journal of Engineering , Mechanics and Architecture (2993-2637), [S. l.], v. 4, n. 7, p. 32–41, 2026. Disponível em: https://www.grnjournal.us/index.php/AJEMA/article/view/9637. Acesso em: 22 jul. 2026.