Siow Ping T, Nafiah MA, Yean Shan L, Awang K, Ahmad K. Isolation of Stigmasterol from the Bark of Kopsia singapurensis Ridl. JSML [Internet]. 2013 Dec. 1 [cited 2024 Nov. 21];5(1):28-34. Available from: https://ejournal.upsi.edu.my/index.php/JSML/article/view/351