(3YbO GdhcGdI hEdJRGeGJ GdeMGej hMbhbg (B:s (3abgG hbVGA (B: (3OQGSI ebGQfI (B/s - (3MGeO, JGL GdSQ eMeOs ([(3ecGf GdfTQ ZjQ eMOO(B] :s (3eWHhYGJ eQcR TQjM,s, 1999)
(3HHdjhLQGajI (B: (3UaMI (B72.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3YbhO GdhcGdIs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdbGfhf GdeOfjs -- (3GdShOGfs; (3GdJhcjd (B((3bGfhf eOfj(B)s -- (3GdShOGfs