Manijeh Afrasiabpour และ -. (2019) A STUDY ON PRINCIPALS' COMMUNICATION SKILLS AND SOCIAL DEVELOPMENT OF PRIMARY SCHOOL STUDENTS IN KHORRAMABAD CITY IN THE ACADEMIC YEAR 2014-2015. <i>International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies</i>, <i>10</i>(8), 1009-1016.Manijeh Afrasiabpour และ -. "A STUDY ON PRINCIPALS' COMMUNICATION SKILLS AND SOCIAL DEVELOPMENT OF PRIMARY SCHOOL STUDENTS IN KHORRAMABAD CITY IN THE ACADEMIC YEAR 2014-2015". International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies 10 (2019):1009-1016.Manijeh Afrasiabpour และ -. A STUDY ON PRINCIPALS' COMMUNICATION SKILLS AND SOCIAL DEVELOPMENT OF PRIMARY SCHOOL STUDENTS IN KHORRAMABAD CITY IN THE ACADEMIC YEAR 2014-2015. TuEngr Group:ม.ป.ท. 2019.