(3TQM OjhGf GdMeGSg (B/ s - (3GdCUagGfj, GdeQRhbjs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1991)
Keywords: (3GdYUQ GdYHGSjs; (3GdJGQjNs; (3CHhJeGes; (3TYQs