1.
Procedures For Selecting Sample Unit  in Field Social Research(Study Content Analysis of Doctoral Theses in Sociology Between1992- 2012). مجلة الآداب و العلوم الإنسانية. 2024;40(4). Accessed June 18, 2026. https://journal.damascusuniversity.edu.sy/index.php/humj/article/view/13867