Harakat 1563-3306 14 14 2002 12 22 - - 10302 FA Journal Article 1970 01 01 Educational Grade Extel11al Environment Characteristics Job Characteristics Levels of Education Occupational Motivation Faciors physical education Tndividual Charactristics Work Environment Characteristic Workyears https://joh.ut.ac.ir/article_10302_1ce60786c172035cee4e15a3bb211487.pdf