AZZAJJAD, Muhammad Fath; AHMAR, Dewi Satria; AHMAR, Ansari Saleh. Optimizing the Ability to Handle Toxic and Hazardous Waste Through Problem-Based Learning . ARRUS Journal of Mathematics and Applied Science, [S. l.], v. 3, n. 2, p. 75–89, 2023. DOI: 10.35877/mathscience2209. Disponível em: https://journal.arrus.id/index.php/mathscience/article/view/2209. Acesso em: 25 apr. 2026.