WIRIANTARI, Frysa. PROSEDUR PEMBUATAN DAN PENGUJIAN MUTU BETON. Widyasrama, [S. l.], v. 24, n. 2, 2014. Disponível em: http://202.47.92.114/index.php/widyasrama/article/view/407. Acesso em: 8 jun. 2026.