Supromin, Chaimongkhon, and Supit Boonlab. 2022. “Factors Influencing the Policy Implementation to Promote the Older Quality of Life in Local Governments of Samut Prakan Province”. Local Administration Journal 15 (4):407-24. https://so04.tci-thaijo.org/index.php/colakkujournals/article/view/260378.