(3deGPG MQe Gddg gPg GdCTjGA (B:s (3dMe GdNfRjQ, GdejJI, GdOe, GdRfG, GddhGW, GdTPhP GdLfSj, GdNeQ (B: (3fXQI WHjI aj GdeMQeGJ GdbQBfjI (B/s - (3YHO GdYRjR, eMeO ceGds ((3GdbGgQI (B- (3eUQ(B:s (3ecJHI GdbQBf ddWHY hGdfTQ hGdJhRjY,s, 1987)
Keywords: (3GdCMcGe GdTQYjIs; (3GdbQBf hGdWHs; (3GdMdGd hGdMQGe aj GdbQBfs; (3eHGMK bQBfjI YGeIs -- (3GdWHs