Munjit, Chayapon, Siriwat Srikhruedong, and Man Suesungnoen. 2021. “Buddhist Psychology Program of Happiness Enhancing from Positive Thinking for Technicians”. Journal of MCU Humanities Review 7 (1). ิิิBankok, Thailand:37-54. https://so03.tci-thaijo.org/index.php/human/article/view/252257.