Orbom, Pitchawee, Apichart Traisaeng, Saowalak Chaytaweep, Metree Vongverapant, and Piyaphun Nunta. 2023. “Active Aging of the Elderly in Urban Area, Chiang Mai Province”. Journal of Nurses Association of Thailand Northern Office 29 (1):92-103. https://he01.tci-thaijo.org/index.php/jnorthnurse/article/view/263117.