UNFAIR DISMISSAL - termination of employment - APPEAL - leave to appeal - proper administration of justice - principles to be applied on appeal - EVIDENCE - credit findings - principles on appeal - conclusions of Commissioner not glaringly improbable or contrary to compelling inferences - Fox v Percy - limits of review credit finding - no basis overturn findings by Commissioner - absence incontrovertible evidence on uncontested fact pointers against credit finding - Longman principle - Briginshaw principle - no basis to interfere decision at first instance - application s 5A of the Teaching Service Act 1980 - leave to appeal granted - appeal dismissed. - [2010] NSWIRComm 178 - NSWIRComm 2010 case summary — Zoe