APA (7th ed.) Citation

Moustafa, M. M. (1979). A study of the level of understanding of the number system by prospective Egyptian elementary school teachers and the level of understanding of arithmetic by Egyptian pupils in elementary school grade six. [publisher not identified].

Chicago Style (17th ed.) Citation

Moustafa, Mohamed Mahmoud. A Study of the Level of Understanding of the Number System by Prospective Egyptian Elementary School Teachers and the Level of Understanding of Arithmetic by Egyptian Pupils in Elementary School Grade Six. [Place of publication not identified]: [publisher not identified], 1979.

MLA (9th ed.) Citation

Moustafa, Mohamed Mahmoud. A Study of the Level of Understanding of the Number System by Prospective Egyptian Elementary School Teachers and the Level of Understanding of Arithmetic by Egyptian Pupils in Elementary School Grade Six. [publisher not identified], 1979.