Malai, P., and P. Bouphan. “The importance of organizational support for the management of health projects by the chiefs of health centers At Chaiyaphum province”. Asia-Pacific Journal of Science and Technology, vol. 15, no. 6, Apr. 2017, pp. 475-86, https://so01.tci-thaijo.org/index.php/APST/article/view/83229.