Suptijah, Pipih, Winarti Zahiruddin, and Dery Firdaus. “Application of Chitosan on Purification Ground Water With Coagulation and Filtration Treatment”. Jurnal Pengolahan Hasil Perikanan Indonesia 11, no. 1 (May 18, 2010). Accessed January 10, 2026. https://journal.ipb.ac.id/jphpi/article/view/938.