Chinawong , Sombat, and Santi Suwankanti. 1992. “Studies on the Rates and Application Timing of Timing of Tank Mixture of Pretilachlor and Cinosulfuron in Pre-germinated Direct”. Thai Agricultural Research Journal 10 (3):137-46. https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/241640.