(3bVGA GdeNOQGJ hbhGYO GdVHW hGdJaJjT hJSHjH GdCMcGe (B:s (3jJVef GdJYdjb Ydi fUhU bGfhf GdeNOQGJ GdeYOd HGdbGfhf GdLOjO Qbe (B122 (3dSfI (B1989 (3HGdebGQfI HCMcGe GdTQjYI GdESdGejI (B... /s - (3eMeO, GdSjO Ndas ([(3ecGf GdfTQ ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B](3,s, 1993)
Keywords: (3GdeNOQGJs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdeNOQGJ (B((3abg ESdGej(B)s