Thongsrikate, Ittipong, Dusadee Ayuwat, and Saowalak Chaytaweep. “Determinants of economic practices among elderly urban migrants in Khon Kaen, Thailand”. Kasetsart Journal of Social Sciences 42, no. 3 (July 31, 2021): 447–454. accessed December 8, 2025. https://so04.tci-thaijo.org/index.php/kjss/article/view/253453.