Young Explorers : Teacher's Book 1 - 1a - Oxford : Oxford University Press , 2014 - Young Explorers 1 . Inv Bibl 23951 / 23952 / 23953 / 23954 / 23955 ISBN: 9780194027694 Standard No.: DGR-M6210 Subjects--Topical Terms: INGLÉS Universal Decimal Class. No.: 802.20