PENGARUH PENAMBAHAN ABU CANGKANG BEKICOT PADA SEMEN RAMAH LINGKUNGAN TERHADAP KUAT TEKAN MORTAR. Jurnal Qua Teknika, [S. l.], v. 8, n. 2, p. 63–69, 2018. DOI: 10.35457/quateknika.v8i2.502. Disponível em: https://ejournal.unisbablitar.ac.id/index.php/qua/article/view/502. Acesso em: 16 dec. 2025.