(3fGUQ GdYQH (B/ s - (3fLdGA GHhYR GdOjfs; (3aQjO GHhYR GdOjfs ((3GdbGgQI (B: s (3OGQ GdeSJbHd GdYQHi , s, 1988)
Keywords: (3GdJfejI GdGLJeGYjIs; (3KhQI (B23 (3jhdjh (B1952s; (3GdSO GdYGdis; (3bVjI adSWjfs; (3MQH GdShjS (B1956s; (3LeGd YHOGdfGUQs; (3eUQ (B- (3JGQjN (B- (3GdYUQ GdMOjKs; (3eUQ (B- (3GdGUdGM GdRQGYis; (3eUQ (B- (3GdGUdGM GdGLJeGYis