Tunprapussorn, Keskan, and Wareerat Kaewurai. “THE DEVELOPMENT OF CURRICULUM PROMOTING QUALITY OF LIFE AGING: CASE STUDY OF MUNICIPAL CITY, PHITSANULOK”. JOURNAL OF EDUCATION NARESUAN UNIVERSITY 22, no. 2 (February 4, 2020): 74–83. Accessed May 28, 2022. https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/125613.