Kusmiyati, T., . Santoso, and C. Siagian. 2015. “Trans Fatty Acid: TFA Implication: Does It Helpful or Harmful?”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 23 (1):69-79. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4143.