Paritanang A, Chaisuk P, Chantawaree S. Personnel Administration Based on the Four Brahmavihara Principles of Teachers and Educational Personnel under the Roi Et Provincial Vocational Education Office. JGSR [internet]. 2026 Apr. 30 [cited 2026 Sep. 14];11(1):14-26. available from: https://so03.tci-thaijo.org/index.php/saketreview/article/view/298943