Ratanayano (Tuntichula), Phraprasertsak, Phrasophon phatthanabundit, Phrakhrubhavana bodhikun, and Suwin Thongpan. 2018. “A Model of the Four Foundation of Mindfulness Instruction for Adolescenes”. Dhammathas Academic Journal 17 (3):117-28. https://so06.tci-thaijo.org/index.php/dhammathas/article/view/78860.