Chanaharn, P., N. Wongchalee, and N. Bubpa. “The Preparation for Aging among Pre-aging Population of Khon Kaen Province”. Journal of The Royal Thai Army Nurses, vol. 27, no. 1, Apr. 2026, pp. 233-41, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/276163.