(3fNHI GdCbhGd aj ecGaMI ZSjd GdCehGd (B:s (3OQGSI ebGQfI HGdTQjYI GdESdGejI (B/s - (3YHO Gddg, SjO MSfs ((3GdbGgQI (B:s (3GdeQcR Gdbhej ddEUOGQGJ GdbGfhfjI,s, 2010)
(3HHdjhLQGajI (B: (3U(B. 159-163.s
Keywords: (3ZSjd GdCehGds -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3ZSjd GdCehGd (B((3abg ESdGej(B)s