(3GdNWQ GdjghOj Ydi GdeSjMjI hGdESdGe (B:s (3bQGAI JhQGJjI aj faSjI GdjghO hJacjQge YHQ GdYUhQ (B/s - (3MOGO, YOfGfs ((3HjQhJ (B:s (3OGQ GdHjQhfj,s, 1997)
Keywords: (3GdESdGe hGdjghOs; (3GdeSjMjI hGdjghOjIs; (3GdOjGfGJ GdebGQfIs