Heng, Yen, Khong, Mohammad Isa Mohamadin, Sharifah Anom Omar, and Shahrina Shah Jahan. 2018. “Detection of Porcine Based Materials in Processed Food Using Polymerase Chain Reaction Method”. Journal of Science and Mathematics Letters 6 (December):61-66. https://doi.org/10.37134/jsml.vol6.6.2018.