Rungsichol, N. (1985) “Long-Term Use of Compost for Soil Improvement and Increased Rice Yield in Irrigated Areas ”, Thai Agricultural Research Journal, 3(3), pp. 149–156. available at: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/245392 (accessed: 17 September 2026).