AHIAMADU, A. Re-defining stewardship in the Niger Delta: A graft or ‘giraffe’ principle?. NGTT | Nederduitse Gereformeerde Teologiese Tydskrif, [S. l.], v. 51, n. 1&2, 2010. DOI: 10.17570/ngtt.2010.v51n1.a01. Disponível em: https://ojs.reformedjournals.co.za/index.php/ngtt/article/view/923. Acesso em: 18 oct. 2025.