DANIEL M. OKAFOR; GRACE N. ADEYEMI; MICHAEL T. EZE. UNDERSTANDING LOGISTICS INFRASTRUCTURE CHALLENGES AND SUPPLY CHAIN PERFORMANCE: A QUALITATIVE EXPLORATION OF CUSTOMS EFFICIENCY, TRACKING PRACTICES, AND DELIVERY RELIABILITY. IJRDO - Journal of Business Management, v. 12, n. 3, p. 75-88, 28 Aug. 2026.