Inda, N., Pato, V., Maraeka, G., Sosidi, H. and Satrimafitrah, P. (2022) “Preparation of Pellet Biopolymer Polyvinyl Alcohol/Alginate/Gluataraldehyde Impregnated with Banana Peel Activated Carbon (BPAC)”, Gravitasi, 21(2), pp. 65-68. doi: 10.22487/gravitasi.v21i2.16039.