Nurrulhidayah, A. F., A. Rohman, I. Amin, M. Shuhaimi, and A. Khatib. “Analysis of Chicken Fat As Adulterant in Butter Using Fourier Transform Infrared Spectroscopy and Chemometrics”. Grasas y Aceites 64, no. 4 (September 30, 2013): 349–355. Accessed May 2, 2024. https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1440.