MICHAEL, O. G.; OLUSEYI, A. V. A Comparative Study of Immediate Annuities and Ordinary Annuities in establishing the Phantom of Zero Liability Under the Trusteeship Pension Valuation Structure. Journal of Business and Management, [S. l.], v. 7, n. 01, p. 102–125, 2023. DOI: 10.3126/jbm.v7i01.54549. Disponível em: https://www.nepjol.info/index.php/jbm/article/view/54549. Acesso em: 19 may. 2024.