автор: Helen Coupland-Smith

Helen Coupland-Smith & Andrew Redfern: Edexcel GCSE (9-1) Business Student Book

Helen Coupland-Smith & Andrew Redfern: BTEC Tech Award student book Enterprise Kindle

David B. Grant & Andrew Redfern: BTEC Tech Award Enterprise Student Book 2nd edition

Helen Coupland-Smith & Jenny Phillips: BTEC Nationals Business Student Book 1 Library Edition