S. Yuliasmi, N. Ginting, H. S. Wahyuni, R. T. Sigalingging, and T. Sibarani, “The Effect of Alkalization on Carboxymethil Cellulose Synthesis from Stem and Peel Cellulose of Banana”, Open Access Maced J Med Sci, vol. 7, no. 22, pp. 3874–3877, Nov. 2019.