Vongsaroj, Prasan. “Effectiveness of Some Herbicides in Fertilizing and Non-fertilizing Conditions in Pre-germinated Direct Rice”. Thai Agricultural Research Journal 1, no. 1 (January 1, 1983): 21–26. accessed October 1, 2026. https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/245702.