Abdullah Sani, M. S., C. D. P. . Basuki, and R. Zainal. “Evaluating PCR and ELISA for Porcine Detection in Collagen-Based Products for Halal Authentication”. Halalsphere, vol. 5, no. 2, July 2025, pp. 8-18, doi:10.31436/hs.v5i2.130.