IRFANDI; HARAHAP, Mukti Hamjah; RITONGA, Winsyahputra; SIREGAR, Alkhafi Maas; AULIYA, Riza. Variations in Composition and Size of Red Sand in Pinang City, North Sumatra to Improve Concrete Quality. International Journal on Advanced Science, Engineering and Information Technology, [S. l.], v. 14, n. 2, p. 514–519, 2024. DOI: 10.18517/ijaseit.14.2.18748. Disponível em: https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/18748. Acesso em: 16 jun. 2024.