Soewarno, Nonot, Ali Altway, Susianto, Fadlilatul Taufany, and Siti Nurkhamidahis. 2025. “Tin Extraction from Slags Used Hydrochloric Acid”. IPTEK The Journal of Engineering 1 (1):19-21. https://journal.its.ac.id/index.php/joe/article/view/7997.