TY - BOOK ID - 6381035 TI - English for proficiency PY - 1975 SN - 019432155X 9780194321556 PB - London : Oxford University Press, DB - UniCat KW - English language KW - English language. UR - http://www.unicat.be/uniCat?func=search&query=sysid:6381035 AB - ER -