Kamal Aldin، A. M.، Khater، A. A. A.، و Zaher، A. A. M. (2013). The Effectiveness of a strategy designed in the light of Content Based Instruction and Drama Activities in developing the English oral Expression skills of preparatory Stage students. مجلة البحث العلمي في التربية، ع14, ج4 ، 639 - 677. مسترجع من http://search.mandumah.com/Record/715218
Kamal Aldin، Azza Mohamed، Amira Al Amir Khater، و Aida Abdel Maksoud Zaher. "The Effectiveness of a Strategy Designed in the Light of Content Based Instruction and Drama Activities in Developing the English Oral Expression Skills of Preparatory Stage Students." مجلة البحث العلمي في التربية ع14, ج4 (2013): 639 - 677. مسترجع من http://search.mandumah.com/Record/715218