Barroroh, Himmatul, Dewi Nur Rizkiyah Rifai, and Akyunul Jannah. “Isolation and Identification of Chitin and Chitosan Horseshoe Crab Shrimp Shell Using Infrared Spectroscopy”. International Journal of Engineering and Technology 8, no. 1.9 (January 26, 2019): 372–377. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/26689.