Dhammaraso, Phrakhrusoponbuddharak. 2017. “An Application of The Seven Sappaya For Developing Meditation Instructor Course 39 Willpower Institute Branch 73 Wat Pra-Ngam, Trang Province”. วารสารสันติศึกษาปริทรรศน์ มจร 5 (2):259-72. https://so03.tci-thaijo.org/index.php/journal-peace/article/view/79598.