“A GIS-BASED SPATIAL ANALYSIS OF BASIN MORPHOLOGY, SURFACE FLOW ACCUMULATION AND LAND-COVER PATTERNS IN ONDO STATE, NIGER DELTA REGION OF NIGERIA” (2025) Impact International Journals and Publications, 1(issue 4), pp. 580–589. Available at: https://impactinternationaljournals.com/publications/index.php/ojs/article/view/171 (Accessed: 26 April 2026).