Tankoiko, S., Y. B. Alam, U. S. Matlubah, I. Hidayati, F. Andiarna, and E. Agustina. “Isolation and Characterization of Shrimp Shell Chitosan”. International Conference on Sustainable Health Promotion, Vol. 3, no. 1, Oct. 2023, pp. 89-95, https://proceedings.uinsa.ac.id/index.php/ICOSHPRO/article/view/1408.