Tandigau, Serly, Nursiah La Nafie, and Prastawa Budi. “BIOSORPTION OF Ni (II) IONS BY ARABICAN COFFEE FRUIT (Coffea Arabica)”. Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) 11, no. 1 (May 30, 2019): 32-45. Accessed May 5, 2024. https://journal.unhas.ac.id/index.php/ica/article/view/6402.