Elijah Oloruntoba Olagunju, Joseph Edivri and Oghenemaero Oteri (2024) “A Conceptual KPI-Driven Decision and Optimization Framework for IT Service Delivery, Portfolio Performance, and Adoption”, International Journal of Scientific Research in Humanities and Social Sciences, 1(2), pp. 1001–1019. doi:10.32628/IJSRSSH242777.