(3JfSjb h JLejd GdeOf h GdbQi (B/ s - (3HOQ, eUWais ((3GdEScfOQjg (B:s (3efTCI GdeYGQa,s, 1992)
Keywords: (3JNWjW GdeOfs; (3GdeSGcfs; (3GdgfOSI GdeYeGQjI GdefRdjIs