Ek,, J. A. van,, 1925-
Threshold level english / J. van EK ; with appendices by L. G. Alexander
Threshold level english / J. van EK ; with appendices by L. G. Alexander
. - Oxford : Pergamon Press, imp. 1982
. - XI, 253 p. 25 cm
. - (Council of Europe modern languages project)
0-08-024588-9 Brochado
802.0:372.88
372.88:802.0