S. . Rattanaburee, A. . Thammathikun, and W. . Tippamas, “CONFLICT MANAGEMENT EFFECTIVENESS AND CONFLICT MANAGEMENT GUIDELINES TO ENHANCE THE EFFECTIVENESS OF THE EDUCATIONAL INSTITUTIONS UNDER NAKHON SI THAMMARAT PROVINCIAL OFFICE OF THE NON-FORMAL AND INFORMAL EDUCATION”, JSBA, vol. 5, no. 7, pp. 46–60, Jul. 2020.