Said SA, Ahmad F, Chakravarthi S, Vejayan J. The Ranking of Tongkat Ali Plants to Boost Testosterone Hormone Evaluated in both In vitro and In vivo Experiments: http://www.doi.org/10.26538/tjnpr/v7i11.31. TJNPR. 2023;7(11):5236-5243. Accessed January 21, 2025. https://tjnpr.org/index.php/home/article/view/3036