00610nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001700102100002100119245008000140260002900220300001900249490002400268650003700292650003900329830002400368CHAP20220329134316.0971013s1967            r     00010     d  a18524  a19496  a23581  cCHAP  a428.24bA54p00aAlexander, L. G.  aPractice and progressb: an integrated course for pre-intermediate students  aLondon :bLongman,c1967  a232 p.b: ilus  aNew concept english14aInglésxEstudio y enseñanza.14aInglésxLibros para extranjeros.0 aNew concept english