STUDI OPTIMALISASI KANDUNGAN SO₃ DALAM SEMEN PCC: DAMPAK VARIASI GIPSUM TERHADAP KARAKTERISTIK SEMEN. JET: Journal of Engineering and Technology, [S. l.], v. 1, n. 1, p. 36–47, 2026. Disponível em: https://journal.rabiah.org/index.php/JET/article/view/49. Acesso em: 10 jun. 2026.