Rosmiati R, M. Kusharto C, Anwar F, Suptijah P. Physicochemical Properties of Silkworm Pupae Shell (Bombyx mori L.) Glucosamine Hydrochloride. IJSBAR. 2016;29(3):53-65. Accessed October 10, 2025. https://gssrr.org/JournalOfBasicAndApplied/article/view/6256