PENGARUH SUBSTITUSI SEMEN DENGAN MENGGUNAKAN ABU BATU BARA (FLY ASH) TERHADAP KUAT TEKAN PAVING BLOCK. Kohesi: Jurnal Sains dan Teknologi, [S. l.], v. 11, n. 5, 2026. Disponível em: https://journal.cib.institute/index.php/kohesi/article/view/5406. Acesso em: 18 oct. 2026.