SALAMAH, N.; FIRDAUS, R. A. .; GUNTARTI, A. .; AHDA, M. .; UDDIN, A. H. .; KURNIAWAN, M. F. . Analysis of Hydrolyzed Collagen in Facial Serum for Halal Authentication Using FTIR Spectroscopy and Multivariate Calibration. Science and Technology Indonesia, [S. l.], v. 10, n. 4, p. 1270–1279, 2025. DOI: 10.26554/sti.2025.10.4.1270-1279. Disponível em: https://sciencetechindonesia.com/index.php/jsti/article/view/1987. Acesso em: 21 apr. 2026.