(3GdeYLe GdhSjW (B: s (3GdLRA GdGhd(B:(3ef Ghd GdgeRI Gdi GNQ GdVGO (B/ s - (3GMeO MSf GdRjGJs; (3GHQGgje eUWais; (3MGeO YHO GdbGOQs; (3eMeO Ydi GdfLGQs ((3JQcjG (B: s (3OGQ GdOYhI , s, 1989)
Keywords: (3GddZI GdYQHjIs; (3GddZI GdYQHjI (B- (3GdeYGLes