Thanomsub, Wanchai, and Somchai Boonpradub. “Responses of Different Maturing Soybeans to Irrigation Frequency and Mulching”. Thai Agricultural Research Journal 17, no. 2 (October 12, 1999): 150–159. accessed October 1, 2026. https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/228911.