“Discoursing With Finnis and Revisiting Tshwane – A Legal-Philosophical Refocusing on Commutative Justice and Estoppel by Representation in Public Law”. 2009. Tydskrif Vir Christelike Wetenskap | Journal for Christian Scholarship 45 (4): 33-56. https://pubs.ufs.ac.za/index.php/tcw/article/view/184.