"Reference: DFE-00060-2013."
"Launch date 16 May 2013, respond by 6 October 2008."
A comparison of GCSE results and AS level results as a predictor of getting a 2:1 or above at university : (Supporting analysis : 14 May letter from David Laws to Kevin Brennan). Published by Department for Education. Publication and catalogue information, links to buy online and reader comments.