(3CNdGbge hCNdGbfG (B: s (3hLgJG GdfXQ GdeGQcSjI hGddjHQGdjI aj GdeKd GdCNdGbjI (B/ s - (3JQhJScj, djhfs; (3YHOg, SejQs; (3Ojhj(B, (3Lhf s; (3fhaGc(B, (3LhQLs ((3HjQhJ (B:s (3efThQGJ OGQ GdGaGb GdLOjOI,s, 1985)
Keywords: (3GdCNdGb(B.s; (3GdeGQcSjI(B.s; (3GddjHQGdjI(B.s