Chatpanyacharoen, Werachat, Natha Hungspreug, Bundit Anurugsa, and Siripun Taweesuk. 1. “Water Footprint Evaluation of Oryza Sativa L.Tha Wang Pha District, Nan Province”. Science & Technology Asia 20 (4), 21-28. https://www.tci-thaijo.org/index.php/SciTechAsia/article/view/44167.