TY - BOOK AU - Latham-Koenig, Christina AU - Oxenden, Clive AU - Lowy, Anna TI - English file : Pre-intermediate. Teacher's book SN - 9780194519878 U1 - 428.2 PY - 2012/// CY - Oxford : PB - Oxford University Press KW - English language KW - Study and teaching KW - Ngôn ngữ ER -