Elijah Oloruntoba Olagunju, Joseph Edivri, and Oghenemaero Oteri, “A Conceptual KPI-Driven Decision and Optimization Framework for IT Service Delivery, Portfolio Performance, and Adoption”, Int J Sci Res Humanities and Social Sciences, vol. 1, no. 2, pp. 1001–1019, Dec. 2024, doi: 10.32628/IJSRSSH242777.