A. P. P. Sudarsono, C. E. Sari, and N. D. Ayuningtyas, “USE OF GLUCOMANN FROM PORANG TUMBERS (Amorphophallus oncophyllus Pr.) AS BIODEGRADABLE FILM WITH THE ADDITION OF SORBITOL AND GLYCEROL AS PLASTICIZER”, JFSI, vol. 6, no. 1, pp. 133-138, Jun. 2023.