SIMULATION-BASED PERFORMANCE ASSESSMENT OF ROCK-BED SENSIBLE THERMAL ENERGY STORAGE FOR OFF-GRID SOLAR ELECTRICITY GENERATION IN NORTH-EASTERN NIGERIA. iijp [Internet]. 2026 Mar. 5 [cited 2026 Aug. 4];2(issue 1):903-15. Available from: https://impactinternationaljournals.com/publications/index.php/ojs/article/view/271