(3GdbGehS GdLOjO ddWdGH eYLe YQHj eOQSj CdaHGFj (B/s - (3Hf gGOjI, Ydjs; (3HdMSf, GdHdjTs ((3GdLRGFQ (B:s (3GdeDSSI GdhWfjI ddcJGH GdLRGFQ ,s, 1991)
Keywords: (3GdbGehS GdLOjO ddWdGH eYLe YQHj eOQSj CdaHGFjs