Sahara, Emmy, Gayatri, Putu, AND Suarya, Putu. " ADSORPSI ZAT WARNA RHODAMIN-B DALAM LARUTAN OLEH ARANG AKTIF BATANG TANAMAN GUMITIR TERAKTIVASI ASAM FOSFAT" CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry) [Online], Volume 6 Number 1 (16 July 2018)