Nofriandi, Alwi, Aldri Frinaldi, Dasman Lanin, Rembrandt Rembrandt, Yulkifli Yulkifli, Indang Dewata, Dewi Siregar, Munadia Insani, Nur Sati’at, and Suci Febrina. “Heavy Metals Contamination and the Evolution of Environmental Policy: A Comprehensive Bibliometric Reviews”. Science and Environmental Journal for Postgraduate 7, no. 1 (December 1, 2024): 09-24. Accessed February 5, 2025. http://senjop.ppj.unp.ac.id/index.php/senjop/article/view/273.