Abd Malek, S. N., Ibrahim, H., Sok Lai, H., Guan Serm, L., Kam Seng, C. and Ali, N. A. M. (2005) “The Essential Oils of Zingiber officinale Variants”, Malaysian Journal of Science, 24(2), pp. 37–43. Available at: http://jice.um.edu.my/index.php/MJS/article/view/8306 (Accessed: 23 December 2024).