Rosmiati, R., C. M. Kusharto, F. Anwar, and P. Suptijah. “Physicochemical Properties of Silkworm Pupae Shell (Bombyx Mori L.) Glucosamine Hydrochloride”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 29, no. 3, Sept. 2016, pp. 53-65, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6256.