Somkeit Boonrawd. (2023) Model of Teachers Developing by using the Process of Professional Learning Community in Secondary Schools Supervisory District 18. <i>Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University</i>, <i>17</i>(1), 56 - 72.Somkeit Boonrawd. "Model of Teachers Developing by using the Process of Professional Learning Community in Secondary Schools Supervisory District 18". Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 17 (2023):56 - 72.Somkeit Boonrawd. Model of Teachers Developing by using the Process of Professional Learning Community in Secondary Schools Supervisory District 18. Pibulsongkram Rajabhat University:ม.ป.ท. 2023.