Sudiarta, I, 		Prameswari, A. A., AND 		S. Negara, I.
" BIOSORPSI Cr(III) OLEH BIOSORBEN KULIT KAPUK (Ceiba pentandra (L.) Gaertn)  TERAKTIVASI ASAM NITRAT" <em>Jurnal Kimia (Journal of Chemistry)</em> [Online], (28 January 2022)