Nessa, F, Shah Md Masum, M Asaduzzaman, SK Roy, MM Hossain, and MS Jahan. 2011. “A Process for the Preparation of Chitin and Chitosan from Prawn Shell Waste”. Bangladesh Journal of Scientific and Industrial Research 45 (4):323-30. https://doi.org/10.3329/bjsir.v45i4.7330.