Alqodri, L. ., Girsang, E. ., Nasution, A. N. ., & Ginting, S. F. . (2020). Comparison of Antioxidant and Anti-collagenase Activities Ethanol Extract of Black Soybeans with Daidzein Compounds. American Scientific Research Journal for Engineering, Technology, and Sciences, 70(1), 90–98. Retrieved from https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/5560