Wong, Yee Ching, and Haziqah A. Razak. “EXTRACTION OF CRUDE ESSENTIAL FROM SENNA ALATA (POKOK GELENGGANG)”. JOURNAL OF ADVANCES IN CHEMISTRY 11, no. 10 (December 17, 2016): 3794–3806. Accessed May 20, 2024. https://rajpub.com/index.php/jac/article/view/2179.