(3GdCOH aj UOQ GdESdGes - (3YHjO, CMeO YHO GdZaGQs ([(3O(B.(3e(B. : (3O(B.(3f(B.]s, 1998)
(3GdeMJhjGJ (B: (3GdCOH aj YUQ UOQ GdGSdGe(B--(3GdCOH aj YUQ Hfj CejI(B--(3GdfUhU GdESdGejI(B--(3GdfUhU GdCehjIs
Keywords: (3GdCOH GdYQHjs -- (3UOQ GdESdGes; (3GdTYQ GdYQHjs -- (3UOQ GdESdGes