Sangthong, K. . ., and P. . Chotcharat. “People’s Perception and Expectation Toward Roles of Board Directors of Health Insurance Fund Kapang Sub-District, Thung Song District, Nakhon Si Thammarat Province”. JOURNAL OF SOUTHERN TECHNOLOGY, vol. 11, no. 1, May 2018, pp. 131-8, https://so04.tci-thaijo.org/index.php/journal_sct/article/view/125125.