“SIMULATION-BASED PERFORMANCE ASSESSMENT OF ROCK-BED SENSIBLE THERMAL ENERGY STORAGE FOR OFF-GRID SOLAR ELECTRICITY GENERATION IN NORTH-EASTERN NIGERIA”. Impact International Journals and Publications, vol. 2, no. issue 1, Mar. 2026, pp. 903-15, https://impactinternationaljournals.com/publications/index.php/ojs/article/view/271.