DIVYA.A; SATHYAKUMAR.N. Comparative study on mechanical properties of ultra high strength concrete using natural sand and manufactured sand. International journal of intellectual advancements and research in engineering computations, [S. l.], v. 7, n. 2, p. 1616–1621, 2021. Disponível em: https://ijiarec.com/ijiarec/article/view/184. Acesso em: 25 jun. 2022.