Srikuankaew, Autumporn, Athiwat Jiawiwatkul, and Sawitri Thayansin. 2018. “The Relationship Between Happiness, Health Literacy and Quality of Life of Elderly: A Case Study in Wiang Elderly School, Fang District, Chiang Mai Province (in Thai)”. CONNEXION Journal of Humanities and Social Sciences 7 (2):76-95. https://so05.tci-thaijo.org/index.php/MFUconnexion/article/view/241200.