Klahan, Patcharapa, Prasong Tanpichai, and Kritsanee Modthong. “High School Students’ Competency Development in Ecological Soil Conservation through Mentoring Program”. AsTEN Journal of Teacher Education 10, no. 1 (June 18, 2026). Accessed October 23, 2026. https://po.pnuresearchportal.org/ejournal/index.php/asten/article/view/4047.