Thongjua, T., and Thongjua, J. 2018. “The effectiveness of some plant extracts and insecticides for control thrips (Thysanoptera : Thripidae) in pummelo cv. Tubtimsiam”. International Journal of Agricultural Technology 14 (7):2107-14. https://li04.tci-thaijo.org/index.php/IJAT/article/view/10315.