1. https://homeecon.kau.edu.sa/Researches.aspx?Site_ID=253&Lng=AR&ViewBy=All
2. https://mu.menofia.edu.eg/hec/View/56589/ar
3. https://www.helwan.edu.eg/Arabic/?page_id=1086
4. https://www.lafamille-lb.org/article.php?id=4288&cid=242&catidval=229
5. https://www.menofia.edu.eg/hec/View/26119/ar
6. https://srd2.qu.edu.sa/Public/showPublications.aspx?DepartmentID=126&Lang=ar-SA
7. https://sdl.edu.sa/SDLPortal/ar/Publishers.aspx