LE, T. T. T.; MAI, M. T. H.; LE SY CHINH, L. S. C.; NGUYEN VAN LAM, N. V. L. PROPERTIES OF MORTARS USING SPENT COFFEE GROUNDS TO REPLACE A PART OF NATURAL RIVER SAND. Hong Duc University Journal of Science, [S. l.], v. 79, n. 09, [s.d.]. DOI: 10.70117/hdujs.79.09.2025.965. Disponível em: https://hdujs.edu.vn/index.php/hdujs/article/view/965. Acesso em: 13 nov. 2025.