Boonpeng Sittivongsa และ Kanokon Boonmee;Artit Saengchawek. (2024) Guidelines for Working According to the Brahma Vihara Dhamma Principles of Personnel Kumphawapi Hospital Kumphawapi District Udon Thani Province. <i>Modern Academic Development and Promotion Journal</i>, <i>2</i>(5), 1-17.Boonpeng Sittivongsa และ Kanokon Boonmee;Artit Saengchawek. "Guidelines for Working According to the Brahma Vihara Dhamma Principles of Personnel Kumphawapi Hospital Kumphawapi District Udon Thani Province". Modern Academic Development and Promotion Journal 2 (2024):1-17.Boonpeng Sittivongsa และ Kanokon Boonmee;Artit Saengchawek. Guidelines for Working According to the Brahma Vihara Dhamma Principles of Personnel Kumphawapi Hospital Kumphawapi District Udon Thani Province. DR.KET Institute of Academic Development and Promotion:ม.ป.ท. 2024.