Ali, S., La Nafie, N. and Taba, P. (2019) “BIOSORPTION OF Cu (II) METAL IONS BY DRAGON FRUIT SKIN (Hylocereus polyrhizus)”, Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta), 11(1), pp. 21-31. doi: 10.20956/ica.v11i1.6401.