RANDA , Yosua Kevin Jordan; PHENGKARSA, Frans; SANDY, Desi. Pengaruh Serbuk Besi Dan Natrium Silika Serta Natrium Hidroksida Terhadap Beton. Paulus Civil Engineering Journal, Makassar, I.D., v. 5, n. 1, p. 151–160, 2024. Disponível em: https://ojs.ukipaulus.ac.id/index.php/pcej/article/view/80. Acesso em: 24 jul. 2025.