ศรีปูณะ ส., นาสอ้าน ส., and วงษ์ภักดี จ., “A Model for Environmental Education to Reduce the use of Chemical of Farmers Growing Lentinus olychrous Lev. Kalasin Province”, J. Off. Dis. Prev. Control 9, vol. 22, no. 2, pp. 28–38, May 2019.