(3JfSjb hJLejd GdeOf hGdbQi (B/ s - (3eUWai HOQs ((3GdbGgQI (B: s (3efTGI GdeYGQa , s, 1992)
Keywords: (3GdJdhKs; (3JNWjW GdeOfs; (3GdJfejI GdQjajIs; (3GdMOGFb (B- (3JfSjbs; (3GdbQi (B- (3JLejds; (3GdJLejd (B- (3YfGUQs