Jongudomkarn, D. “Changing the Roles of the Women in the Family According to the Time Dimension As Perceived by Phu Tai Elderly Women: A Qualitative Study”. Journal of Nursing Science and Health, vol. 42, no. 4, Jan. 2020, pp. 30-39, https://he01.tci-thaijo.org/index.php/nah/article/view/166127.