Sataporn Powee และ Tuanthong Chaowakeeratipong;Somchai Wongnaya. (2023) Development of Management Strategies for Fix It Centers under the Institute of Vocational Education in Northern Region 4. <i>Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University</i>, <i>17</i>(1), 194 - 208.Sataporn Powee และ Tuanthong Chaowakeeratipong;Somchai Wongnaya. "Development of Management Strategies for Fix It Centers under the Institute of Vocational Education in Northern Region 4". Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 17 (2023):194 - 208.Sataporn Powee และ Tuanthong Chaowakeeratipong;Somchai Wongnaya. Development of Management Strategies for Fix It Centers under the Institute of Vocational Education in Northern Region 4. Pibulsongkram Rajabhat University:ม.ป.ท. 2023.