(3OQhS aj JQJjd GdbQBf GdcQje (B/s - (3GdRhQ, aGFR YHO GdbGOQ TjN(B.s ((3GdOhMI (B- (3bWQ (B:s (3YHO Gddg GdCfUGQj,s, 1985)
Keywords: (3GdbQBfs -- (3JLhjOs