(3ceGd GdGjeGf aj GdJOGhj HGdbQBf (B/ s - (3GdZeGQj , GdMGaX GHj GdaVd YHO Gddg Hf eMeO GdUOjb s; (3hjS , aQGS eMeO hdjO s ((3O(B. (3e (B: s (3O(B. (3f , s, 1999)
Keywords: (3GdWH GdfHhj s