(2015). The Role of Job Enrichment in Building Differentiation Strategy Service Analytical Exploratory Study of the Views of a Sample of the General Managers and Heads of Departments and Officials of the People in the General Establishment of Civil Aviation. , 10(31), 122-161.
. "The Role of Job Enrichment in Building Differentiation Strategy Service Analytical Exploratory Study of the Views of a Sample of the General Managers and Heads of Departments and Officials of the People in the General Establishment of Civil Aviation". , 10, 31, 2015, 122-161.
(2015). 'The Role of Job Enrichment in Building Differentiation Strategy Service Analytical Exploratory Study of the Views of a Sample of the General Managers and Heads of Departments and Officials of the People in the General Establishment of Civil Aviation', , 10(31), pp. 122-161.
The Role of Job Enrichment in Building Differentiation Strategy Service Analytical Exploratory Study of the Views of a Sample of the General Managers and Heads of Departments and Officials of the People in the General Establishment of Civil Aviation. , 2015; 10(31): 122-161.


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