Narkwichian, Nareepan, Linna Tongyong, and Chamnan Patarapanich. 2018. “Analysis of Trans Fatty Acid in Some Foods by Attenuated Total Reflection-Fourier Transform Infrared Spectroscopy”. Journal of Health Research 23 (4):185-90. https://he01.tci-thaijo.org/index.php/jhealthres/article/view/156545.