EFFECT OF PARTIAL CEMENT REPLACEMENT RATIO WITH CHICKEN BONE ASH ON COMPRESSIVE STRENGTH AND POROSITY MORTAR. EINSTEIN (e-Journal), [S. l.], v. 14, n. 2, p. 24–28, 2026. DOI: 10.24114/24ec9j66. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/61250. Acesso em: 22 aug. 2026.