(3SdWGJ eCehQ GdVHW GdbVGFj (B: s (3OQGSI ebGQfI (B/ s - (3EHQGgje MGeO eQSj WfWGhj(B.s ((3GdbGgQI (B: s (3EHQGgje MGeO eQSj WfWGhj,s, 1993)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdVHW GdbVGFjs -- (3eUQs; (3SdWGJ eCehQi GdVHW aj GdCMhGd GdYGOjIs -- (3eUQs; (3bGfhf GdELQGAGJ GdLfGFjIs -- (3eUQs