Pengaruh Abu Tulang Sapi Terhadap Kenaikan Kuat Tekan Beton. Surya Beton : Jurnal Ilmu Teknik Sipil, [S. l.], v. 5, n. 1, p. 20–27, 2021. DOI: 10.37729/suryabeton.v5i1.1105. Disponível em: https://jurnal.umpwr.ac.id/index.php/suryabeton/article/view/1105. Acesso em: 9 sep. 2026.