Nafisa Arini, and Afifatul Achyar. 2023. “Optimization of Deoxyribonucleic Acid (DNA) Isolation Methods from Several Types of Cosmetic Samples for Molecular-Based Halal Tests”. Journal of Halal Product and Research (JHPR) 6 (1):1-10. https://doi.org/10.20473/jhpr.vol.6-issue.1.1-10.