Separation and purification of triglyceride from nyamplung (Calophyllum inophyllum) seed oil as biodiesel feedstock by using continuous countercurrent extraction. Mal. J. Fund. Appl. Sci. [Internet]. 2020 Feb. 2 [cited 2026 Sep. 7];16(1):18-22. Available from: https://mjfas.utm.my/index.php/mjfas/article/view/1439