D. A. M. W. S. Dewi, A. Hartiati, B. A. Harsojuwono, and S. Suhartini, “Characteristics of Tapioca-Glucomannan Based Foam Biocomposites with Variations in Microcrystalline Cellulose Concentration and Gelatinization Stirring Time”, JFPC, vol. 5, no. 2, pp. 218–229, Jul. 2026.