Mar’iyah, Husnul, Vita Pramaningsih, and Deny Kurniawan. 2026. “Hazardous and Toxic Waste Management at the Samarinda City Environmental Agency”. HIGIENE: Jurnal Kesehatan Lingkungan 11 (2). https://journal.uin-alauddin.ac.id/index.php/higiene/article/view/61539.