Energy.
Elsworth, Steve.
Parsons, Jenny.
Harlow : Longman
2004.
Students' book / Steve Elsworth, Jim Rose -- Wordstore: vocabulary notebook / Liz Kilbey -- Teacher's book / Jenny Parsons -- Workbook / Liz Kilbey -- Test book / Jenny Parsons -- Test CD / Jenny Parsons -- 5 posters.
English language
English language
English language