HARAHAP, Mukti Hamjah; RITONGA, Winsyahputra; ADELIA, Nova. Characteristics of Concrete With Red Sand Mixture 80 Mesh Grain Size After Combustion. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 9, n. 8, p. 6540–6547, 2023. DOI: 10.29303/jppipa.v9i8.3107. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/3107. Acesso em: 24 nov. 2024.