Srinivasan, Sobanalakshmi, and Brindha Durairaj. “Collagen Isolation and Characterization from Sardinella Longiceps”. Journal of Advanced Veterinary and Animal Research, vol. 8, no. 4, Nov. 2021, pp. 679-86, https://www.banglajol.info/index.php/JAVAR/article/view/80088.