(3aj GddSGfjGJ h GddSGfjGJ GdYQHjI (B/s - (3YHOg,OGhO s; (3GOQjS(B,(3GdSZQhTfj(B;(3GdaGSj YHO GdbGOQs ((3GdOGQ GdHjVGA (B:s (3eWHYI GdfLd GdLOjOI ,s, 1988)
Keywords: (3COH YQHjs; (3GddSGfjGJs