(3Ebdje JhGJ NdGd GdbQfjf GdKGef YTQ h GdJGSY YTQ GdejdGOjjf (B/s - (3aQL , aQL eMehOs ((3GdLRGFQ (B:s (3GdeDSSI GdhWfjI ddcJGH ,s, 1977)
Keywords: (3GdbQfjf s; (3Ebdje s; (3JhGJ s