Buddharak, Issara, Vinai Sarawat, Korntong Puangprakon, and Poonyawee Suwannapong. 2009. “Development of Information Technology System in Administration and Management for Safety Use of an Agricultural Hazardous Substance ”. Thai Agricultural Research Journal 27 (2):159. https://doi.org/10.14456/thaidoa-agres.2009.11.