คำภักดี ส. (2018) “The Effect of Activities Base on Contemplative Education on Serenity of New Staffs in Khon Kaen Rajanakarindra Psychiatric Hospital”, Journal of Innovation and Learning Sciences, 11(4), pp. 205–216. available at: https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/125576 (accessed: 12 September 2026).