(3ce YeQ GdZVH (B: (3gjcd hGReI GdYbd GdYQHi (B/ s - (3aDGO RcQjGs ((3GdchjJ (B: s (3TQcI cGXe ddfTQ hGdJQLeI hGdJhRjY , s, 1983)
Keywords: (3eMeO MSfjf gjcds; (3eUQ (B- (3GdGMhGd GdSjGSjIs