Sornmanee, K., & Bodeerat, C. (2022). A Study of Knowledge, Attitude and Behavior on Solid Waste Management of People in Tha Yiem Subdistrict Saklek District Phichit Province. Journal of Modern Learning Development, 7(5), 166–178. retrieved from https://so06.tci-thaijo.org/index.php/jomld/article/view/255009