(3YSd GdfMd (B:s (3TaGA fRd Hg GdhMj (B/s - (3GdNWjH, YHO GdcQje fLjHs ((3W(B.4.s (3GdOGQ GdSYhOjI ddfTQ hGdJhRjY ,s, 1987)
Keywords: (3YSd GdfMds; (3GdYdGL HGdYSd s