SIOW PING, Tan; NAFIAH, Mohd Azlan; YEAN SHAN, Lee; AWANG, Khalijah; AHMAD, Kartini. Isolation of Stigmasterol from the Bark of Kopsia singapurensis Ridl. Journal of Science and Mathematics Letters, [S. l.], v. 5, n. 1, p. 28–34, 2013. Disponível em: https://ejournal.upsi.edu.my/index.php/JSML/article/view/351. Acesso em: 13 may. 2025.