(3GdJGQjN GdChQhHj GdMOjK(B: (3ef YUQ GdfgVI Edi ChGNQ GdbQf GdKGef YTQs - (3HWQjb(B. (3YHO GdMejOs ((3OGQ GdacQ GdYQHjs (3HjQhJs, 1982)
Keywords: (3GhQhHG (B- (3JGQjN MOjKs