NGUYEN TIEN LUC; TRAN THI KHUYEN. Optimization of collagen extraction process from skin of stingray (rajiformes). Journal of Technical Education Science, [S. l.], v. 15, n. 5, p. 37–43, 2020. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/9. Acesso em: 7 apr. 2026.