(3GdCOH aj JHdjZ GdCQH (B:s (3eNJUQ cJGH GdBOGH ddHjgbj (B/s - (3RcQjG GdCfUGQj, RcQjG Hf eMeO Hf CMeO,s 823-926 (3g`(B.s; (3GdHhGH, Ydj MSjfs; (3GdHjgbj, CMeO Hf GdMSjf Hf Ydj,s 384-458 (3g`(B.s ((3EQHO, GdCQOf (B:s (3OGQ GdaQbGf,s, 1992)
Keywords: (3GdCNdGb GdESdGejIs; (3GdBOGH GdESdGejIs