Sumetho, Pha Phumet. 2018. “The Model of Emotional Quotient Development in Adolescents by Principle of Loving-Kindness (Mettã Bhvanã)”. วารสารสันติศึกษาปริทรรศน์ มจร 6 (4):1796-1809. https://so03.tci-thaijo.org/index.php/journal-peace/article/view/103309.