TY - BOOK AU - Lekanides,Kosta TI - Oxford IB diploma programme: extended essay course companion T2 - Oxford IB diploma programme SN - 9780198377764 U1 - 808.0663781617 23 PY - 2016/// CY - Oxford PB - Oxford University Press KW - Report writing KW - International baccalaureate KW - GuĂ­as de estudio N1 - Includes index ER -