HARIANJA, Ryvaldo; RAIS, Abdul. ANALISIS UJI MEKANIK BETON DENGAN PENGGUNAAN AIR SODA ALAMI ASAL TARUTUNG. EINSTEIN (e-Journal), [S. l.], v. 9, n. 3, p. 35–44, 2021. DOI: 10.24114/einstein.v9i3.28902. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/28902. Acesso em: 12 oct. 2025.