Proficiency in English course. - Low, Ona; Low, Ona. Certificate of proficiency English course for foreign students; Low, Ona. A new certificate of profociency English course with practice and test papers (London E. Arnold, 1986)
First ed. published under title : Certificate of proficiency, English course for foreign students / by Ona Low.
Rev. ed. of: A new certificate of proficiency, English course with practice and test papers / by Ona Low.
Keywords: English language -- Text-books for foreign speakers; English language -- Text-books for foreigners