Yohans Sunarno, Parea Rusan Rangan, Bastian A. Ampangallo, Armin Aryadi, Lisa Oksri Nelfia, and Astri Rinanti. “THE INFLUENCE OF CHEMICAL ADMIXTURE TYPES ON THE MECHANICAL PROPERTIES OF CONCRETE WITH 100% FLY ASH SUBSTITUTION”. GEOMATE Journal, vol. 28, no. 129, May 2025, pp. 138-45, https://geomatejournal.com/geomate/article/view/5059.