“FLEXURAL BEHAVIOR OF REINFORCED CONCRETE BEAMS RETROFITTED WITH ULTRA HIGH PERFORMANCE CONCRETE USING LOCAL MATERIALS”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 29, no. 135, pp. 120–129, Nov. 2025, Accessed: Aug. 19, 2026. [Online]. Available: https://geomatejournal.com/geomate/article/view/5157