Phrakhrupaphatsornsantitham, A. . Bumroong-eir, D. Srikote, and K. . Srikote. “The Learning Process of Chemical Reduction and Use of Chemicals in Safety Radius of Ban Non Sawang Community, Sao Lao Sub-District, Nong Kung Si District, Kalasin Province”. Interdisciplinary Academic and Research Journal, vol. 1, no. 5, Oct. 2021, pp. 17-36, doi:10.14456/iarj.2021.22.