Chima Ichendu, and Gibson Francis Irimiagha. “peration and aintenance hallenges in uilding ife ycle anagement: iterature eview ith nsights from igeria”. Innovation in Science and Technology 3, no. 4 (July 11, 2024): 50–57. ccessed April 30, 2025. https://www.paradigmpress.org/ist/article/view/1195.