Damnoen, Ven. Pharapalad Somchai, and Phramaha Nantawit Dhjrabhaddo. 2019. “The Development of Indicators of Active Aging Enhancement in Buddhist Way for the Retirement of Elderly”. Journal of Graduate MCU KhonKaen Campus 6 (3):209-28. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/208207.