Kaya, Adrianus O W, Ani Suryani, Joko Santoso, and Meika Syahbana Rusli. 2015. “The Effect of Gelling Agent Concentration on the Characteristic of Gel Produced From the Mixture of Semi-Refined Carrageenan and Glukomannan”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 20 (1): 313-24. https://gssrr.org/JournalOfBasicAndApplied/article/view/3451.