Aprilia, V.; Murdiati, A.; Hastuti, P.; Harmayani, E. Carboxymethylation of Glucomannan from Porang Tuber (Amorphophallus Oncophyllus) and the Physicochemical Properties of the Product. Pak. J. Nutr. 2017, 16 (11), 835–842. https://doi.org/10.3923/pjn.2017.835.842.