(3GdQeR GdTYQj Yf GdUhajg s - (3fUQ(B. (3YGWa LhOIs ((3OGQ GdGfOdSs (3HjQhJs, 1978)
Keywords: (3BOGHs; (3GdTYQ GdYQHj (B- (3fbOs; (3GdTYQ GdUhaj (B- (3OQGSI s; (3GdTYQ GdUhaj (B- (3fbO s