(3ef cfhR GdbQBf HMhK dZhjI efhYIs - (3eMeO GdSjO GdOGOhi s ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1981)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
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Keywords: (3GdbQBf GdcQje hGdYdhe GdbQBfjIs