ADEBIYI, JULIA PH.D, OLADEJO, MORUF O. PH.D. FCA AND OKONKWO, NAPS N. Security Service Outsourcing as a Make-Or-Buy Decision and its Relationship with Service Delivery Performance of Nigerian Deposit Money Banks. Journal of Accounting, Finance, and Contemporary Management Research , [S. l.], v. 3, n. 1, p. 88–100, 2026. Disponível em: https://jafacomar.lautech.edu.ng/index.php/jafacomar/article/view/56. Acesso em: 7 oct. 2026.