Jonathan R. Dungca, Juanito Enrico B. Edrada, Vincent A. Eugenio, Roy Adrian S. Fugado, and Eric Stephen C. Li. 2019. “THE COMBINED EFFECTS OF NANO-MONTMORILLONITE AND HALLOYSITE NANOCLAY TO THE WORKABILITY AND COMPRESSIVE STRENGTH OF CONCRETE”. GEOMATE Journal 17 (59):173-80. https://geomatejournal.com/geomate/article/view/278.