Al Salmi، B. A. A. O.، و Abd Alwahed، E. (2011). Using Role Playing with 1st. Intermediate Pupils in Taching English Grammar and its Effects on their Achievement in EFL (رسالة ماجستير غير منشورة). جامعة الطائف، الطائف. مسترجع من http://search.mandumah.com/Record/620709
Al Salmi، Bوar Abd Alwahed Obaid، و Eid Abd Alwahed. "Using Role Playing With 1st. Intermediate Pupils in Taching English Grammar and Its Effects On Their Achievement in EFL" رسالة ماجستير. جامعة الطائف، الطائف، 2011. مسترجع من http://search.mandumah.com/Record/620709