Mongkol Kwangwaropas. Effects of Using a Portable Rotary Rice Weeder on Yield in the North Eastern Regions’ Rice Transplanting Field. Agr. Nat. Resour. [internet]. 1990 Dec. 30 [cited 2026 Aug. 28];24(4):479-86. available from: https://li01.tci-thaijo.org/index.php/anres/article/view/242240