(3adSWjf jG Gej (B- (3bUGFO ddGWaGd hGdaJjGfs - (3GdHJjQj(B. (3Ydjs ((3OGQ GdcQeds (3YeGfs, 1986)
Keywords: (3GdTYQ GdYQHj(B-(3GWaGds