“SIMULATION-BASED PERFORMANCE ASSESSMENT OF ROCK-BED SENSIBLE THERMAL ENERGY STORAGE FOR OFF-GRID SOLAR ELECTRICITY GENERATION IN NORTH-EASTERN NIGERIA” (2026) Impact International Journals and Publications, 2(issue 1), pp. 903–915. Available at: https://impactinternationaljournals.com/publications/index.php/ojs/article/view/271 (Accessed: 29 April 2026).