Writer : م . حسن ناجی ؛
Journal:الإدارة»المجلد السابع، یولیو 1974 - العدد 1 (4 page(s) - From 20 to 23 )
Dear user This article contains images that are not available in the text file, and if you download the text version, these images will not be downloaded. We suggest you to view the text version online before downloading.