As well as appearing as an advocate in a number of judicial review cases, I have also been a regular presenter on this topic (in the context of migration decisions).
“Judicial review is neither more nor less than the enforcement of the rule of law over executive action; it is the means by which executive action is prevented from exceeding the powers and functions assigned to the executive by law and the interests of the individual are protected accordingly”
Download a copy of the paper: Judicial Review of Migration Decisions.