Chaikwong C. Hygienic Fresh Vegetable Production and Projotion in barngrieng Sub-district. Thai Agric.Res.J. [internet]. 1998 Aug. 8 [cited 2026 Sep. 30];16(2):152. available from: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/234492