(3GdeSdehf hGdGSJYeGQ GdGhQhHi dGaQjbjG (B((3YGde GdeYQaI (B139) / s - (3YHOGddg YHOGdQGRbs ([S.N] : (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 1989)
Keywords: (3GdYUQ GdMOjKs; (3JGQjNs; (3GaQjbjG GdTeGdjIs; (3GaQjbjGs; (3GdUheGds; (3GdeSJYeQGJs; (3GaQjbjG GdZQHjIs; (3GdGSJYeGQ GdGjWGdis