(3TYQ GdRHQbGf Hf HOQ hYeQh Hf GdCgJe (B: s (3ef TYQGA GdUMGHI HGddgLI GdHUQjI (B/ s ((3HjQhJ (B: s (3eDSSI GdQSGdI, (B1984 (3, s, 1984)
Keywords: (3GdRHQbGf Hf HOQ; YeQh Hf GdCgJe; GdTYQ GdESdGej; GdJMbjb GdCOHjs