(3GdTjN YHO GdMejO Hf HGOjS (B:s (3QGFO GdGUdGM h GdJQHjI aj GdLRGFQ (B/s - (3JQcj, QGHMs ((3GdLRGFQ (B:s (3GdeDSSI GdhWfjI ddcJGH ,s, 1984)
Keywords: (3GdTjN YHO GdMejO Hf HGOjSs