El Kharashy، S.، و Touba، N. A. (1994). Amathematical and Linguistic Analysis of Egyptian Language School Students Developing Concept of The Algebraic Equation. التربية المعاصرة، س11, ع32 ، 1 - 24. مسترجع من http://search.mandumah.com/Record/657816
El Kharashy، Salah، و Nadia Ahmed Touba. "Amathematical and Linguistic Analysis of Egyptian Language School Students Developing Concept of The Algebraic Equation." التربية المعاصرة س11, ع32 (1994): 1 - 24. مسترجع من http://search.mandumah.com/Record/657816