Author
-
Yousef Hassan, A. (1997). . Rahyaft, 7(15), -.
Yousef Hassan, A. . "", Rahyaft, 7, 15, 1997, -.
Yousef Hassan, A. (1997). '', Rahyaft, 7(15), pp. -.
A. Yousef Hassan, "," Rahyaft, 7 15 (1997): -,
Yousef Hassan, A. . Rahyaft, 1997; 7(15): -.
)