(3GdUjZ GdbGfhfjI dOYGhj GdCMhGd GdTNUjI ddeUQjjf hGdCLGfH (B/s - (3GdHfG, ceGd UGdM s ((3GdbGgQI (B:s (3YGde GdcJH,s, 1984)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdCMhGd GdTNUjIs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdUjZ GdbGfhfjIs -- (3eUQs