Lertpitakpong, Chanida, Boonsong Thapchaiyuth, and Piya Hanvoravongchai. 2023. “Feasibility and Acceptability of Health Maintenance Organizations for Medical Care Service under the Social Security System: Policy Research”. Journal of Health Systems Research 17 (1). Nonthaburi, Thailand:5-27. https://he04.tci-thaijo.org/index.php/j_hsr/article/view/3208.