Rollando, Rollando, Eva Monica, Muhammad H. Afthoni, Warsito Warsito, Masruri Masruri, Nashi Widodo, and Rahadian Zainul. 2023. “In-Vitro and In-Silico Studies of a Phenylpropanoid Compound Isolated from Sterculia Quadrifida Seeds and Its Inhibitory Effect on Matrix Metalloproteinase-9: Http: www.doi.org 10.26538 Tjnpr V7i7.30”. Tropical Journal of Natural Product Research (TJNPR) 7 (7): 3490-95. https://tjnpr.org/index.php/home/article/view/2251.