(3ETcGdGJ GdJfajP aj GdehGO GdLfGFjI (B:s (3eGgjI GdETcGd, GdeMceI GdeNJUI HfXQg, CSHGHg, TQhW bHhdg (B/s - (3GdWjH, CMeO YHO GdXGgQs ([(3ecGf GdfTQ ZjQ eMOO(B] : s [(3GdfGTQ ZjQ eMOO(B](3, s, 1994)
(3HHdjhLQGajI (B: (3UaMI (B491-495.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3JfajP GdCMcGes -- (3eUQs; (3bGfhf GdELQGAGJ GdLfGFjIs -- (3eUQs