Worawong จิราพร, Sridawruang ฉวีวรรณ, Thawinkarn ดาวรุวรรณ, and Manasatchakun พรพรรณ. 2020. “The Development of Aged Friendly Community: Tambon Naphu Aging School in Amphur Phen, Udonthani”. Nursing Journal of The Ministry of Public Health 30 (2):150-63. https://he02.tci-thaijo.org/index.php/tnaph/article/view/244933.