Pramono CY, Sutrisno W, Triwulan T, Aji P. Optimization of Pre-Treatment Process in Spent Bleaching Earth (SBE) on The Characteristics of Pre-Treated SBE as Supplementary Cementitious Material. JCE [nternet]. 2025Jul.21 [cited 2025Dec.6];39(1):12. vailable from: https://journal.its.ac.id/index.php/jce/article/view/7303