Ida, Musfiroh, Muhtadi Ahmad, and Apriliani N. Dwi. 2020. “Alpha-Amylase Inhibitory Activity of Extract Combination of Morinda Citrifolia L. Fruit, Trigonella Foenum-Graecum and Nigella Sativa L. Seeds Using In Vitro and In Vivo Assay: doi.org 10.26538 Tjnpr V4i10.23”. Tropical Journal of Natural Product Research (TJNPR) 4 (10): 817-23. https://tjnpr.org/index.php/home/article/view/1054.