Phrakhrusoponbuddharak. (2017) An Application of The Seven Sappaya For Developing Meditation Instructor Course 39 Willpower Institute Branch 73 Wat Pra-Ngam, Trang Province. <i>Journal of MCU Peace Studies</i>, <i>5</i>(2), 277-290.Phrakhrusoponbuddharak. "An Application of The Seven Sappaya For Developing Meditation Instructor Course 39 Willpower Institute Branch 73 Wat Pra-Ngam, Trang Province". Journal of MCU Peace Studies 5 (2017):277-290.Phrakhrusoponbuddharak. An Application of The Seven Sappaya For Developing Meditation Instructor Course 39 Willpower Institute Branch 73 Wat Pra-Ngam, Trang Province. Master of Arts Program in Peace Studies, Mahachulalongkornrajavidyalaya University:ม.ป.ท. 2017.