Arunperm, Thanaphat, and Chanaphol Sriruecha. 2017. “Administrative Factors and Management Processes Affecting Functional Competencies of the Head of Health Center in Kalasin Province”. Asia-Pacific Journal of Science and Technology 16 (8):1043-53. https://so01.tci-thaijo.org/index.php/APST/article/view/83633.