Badr، S. A. M. (1995). Validity of the Assessment Tool Used in Assessing Performance in Teaching Practice of English Department Trainees in the Intermediate Teacher Training College in Muscat. مجلة كلية التربية، مج6, ع20 ، 2 - 28. مسترجع من http://search.mandumah.com/Record/692842
Badr، Salah Aldin Mohamed. "Validity of the Assessment Tool Used in Assessing Performance in Teaching Practice of English Department Trainees in the Intermediate Teacher Training College in Muscat." مجلة كلية التربية مج6, ع20 (1995): 2 - 28. مسترجع من http://search.mandumah.com/Record/692842