Sudarmanto, Heru, Eka Farpina, and Nursalinda Kusumawati. “ANALISIS KADAR TIMBAL PADA AIR SUMUR PETANI DI DESA SUMBER SARI KECAMATAN LOA KULU”. Jurnal Kesehatan Tambusai 4, no. 3 (September 29, 2023): 3463–3472. Accessed November 25, 2024. http://journal.universitaspahlawan.ac.id/index.php/jkt/article/view/18279.