Tefera, Yigezu Tesfaye, and Muktar Beniam Yaziz. “Determination of Optimal Soil Moisture Depletion Level for Cardamom (Elletaria Cardamomum)”. Engineering And Technology Journal 3, no. 12 (December 28, 2018): 506–510. Accessed April 26, 2024. http://everant.org/index.php/etj/article/view/291.