Aftab, Tayyaba, Asad ullah, Muhammad Khalid Iqbal, Rauf Ahmed Khan, and Muhammad Nawaz Chaudhry. “Isolation and Characterisation of Chitin and Chitosan from Local Sources: Chitin and Chitosan Isolation from Shrimp and Crab”. Biological Sciences - PJSIR 57, no. 3 (December 26, 2014): 148–154. Accessed May 1, 2024. http://v2.pjsir.org/index.php/biological-sciences/article/view/136.