OCR performance studies for A LevelAlistair Conquer, Gail Deal, Hannah Goodinson, Mark Lewinski, John Pymm · First published 2008Open the Tome
Ocr Performance Studies for a Level Whiteboard EtextbookJohn Pymm · First published 2008Open the Tome
Student's Guide to A2 Performance Studies for the Ocr SpecificationAlistair Conquer, John Pymm · First published 2005Open the Tome
A student's guide to AS performance studies for the OCR specificationJohn Pymm · First published 2004Open the Tome
