1. Al-Jowder, O., Kemsley, E.K., & Wilson R.H. (1997). Mid infrared spectroscopy and authenticity problems in selected meats: a feasibility study. Food Chemistry, 59(2), 195-201. 2. Ambali, A.R., & Bakar, A.N. (2013). Halal food and products in Malaysia: people's awareness and policy implications. Intellectual Discourse, 21(1), 7-32. 3. Buang, A.H., & Mahmod, Z. (2012). Isu dan cabaran badan pensijilan halal di Malaysia". Jurnal Syariah, 20(3), 271-288. 4. Che Man, Y.B., Aida, A.A., Raha, A.R., & Son, R. (2007). Identification of pork derivatives in food products by species-specific polymerase chain reaction (PCR) for halal verification. Food Control, 18(7), 885-889. 5. Che Man, Y.B., Syahariza, Z.A., Mirghani, M.E.S., Jinap, S., & Bakar, J. (2005). Analysis of potential lard adulteration in chocolate and chocolate products using fourier transform infrared spectroscopy. Food Chemistry, 90(4), 815-819. 6. Che Man, Y.B., Syahariza Z. A., & Rohman, A. (2011). Discrimination analysis of selected edible fats and oils and those in biscuit formulation using FTIR spectroscopy. Food Analytical Method, 4(3), 404-409. 7. Eliasi, J.R. (2002). Kosher and halal: religious observances affecting dietary intakes. Journal of American Dietetic Association, 102(7), 911-913. 8. Farag, R.S., Abo-raya, S.H., Ahmed, F.A., Hewedi, F.M., & Khalifa, H.H. (1983). Fractional crystallization and gas chromatographic analysis of fatty acids as a means of detecting butterfat adulteration. Journal of the American Oil Chemists Society, 60(9), 1665-1667. 9. Marikkar, J.M.N., Ghazali, H.M., Che Man, Y.B., Peiris, T.S.G., & Lai, O.M. (2005). Distinguishing lard from other animal fats in admixtures of some vegetable oils using liquid chromatographic data coupled with multivariate data analysis. Food Chemistry, 91(1), 5-14.