Tepsiri, Siridet, and Jurairat Sudrung. “Development of Indicators for Teachers’ Positive Attitudes Towards Educational Supervision”. Journal of Research Methodology 36, no. 2 (June 22, 2023): 164–178. accessed December 10, 2025. https://so12.tci-thaijo.org/index.php/jrm/article/view/551.