Qawasmeh، M. A. J. A. I.، و Hussein، R. F. (1987). An investigation of cloze testing as an index of fel students competence in listening comprehension and grammatical ability in Third Preparatiory and Second Secondary Classes in Jordan (رسالة ماجستير غير منشورة). جامعة اليرموك، إربد. مسترجع من http://search.mandumah.com/Record/724799
Qawasmeh، Mohammad Ali Jad Allah Ibrahim، و Riyad Fayez Hussein. "An Investigation of Cloze Testing As an Index of Fel Students Competence in Listening Comprehension and Grammatical Ability in Third Preparatiory and Second Secondary Classes in Jordan" رسالة ماجستير. جامعة اليرموك، إربد، 1987. مسترجع من http://search.mandumah.com/Record/724799