Tewele (PhD), Tsegaye, and Bisrat Giday Weldetnsae. “Experimental Investigation on the Impact of Nano-Alumina Partial Cement Replacement in Quarry Sand Concrete”. Ethiopian Journal of Technical and Vocational Education and Training 3, no. 1 (October 10, 2026). Accessed October 25, 2026. https://journal.ftveti.edu.et/index.php/journal/article/view/95.