คำภักดี สรานุช. 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):205-16. https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/125576.