Muenthaisong, C., and P. Weeranakin. “Active Aging From A Skipped Generation Family in a Rural Area to Urbanization: The Study Koh Kaew Subdistrict Municipality, Tha Muang Subdistrict Municipality, Selaphum District, Roi Et Province, Thailand”. Academic Journal of Mahamakut Buddhist University Roi Et Campus, vol. 10, no. 1, June 2021, pp. 830-44, https://so01.tci-thaijo.org/index.php/AJMBU/article/view/246382.