(3QhGjI GdTGejjf ddeZGRj hGdSjQs - (3YWhGf(B. (3MSjfs ((3OGQ GdLjds (3YeGfs, 1986)
Keywords: (3GdGSdGe (B- (3JGQjNs; (3GdYQH (B- (3JGQjNs