Ng, P.L., J.J. Chen, and A.K.H. Kwan. “Triple Blending With Superfine Natural Zeolite and Condensed Silica Fume to Improve Performance of Cement Paste”. International Conference “Environmental Engineering” 10 (January 1, 2017): 1–10. Accessed May 24, 2026. https://conferences.vilniustech.lt/index.php/ENVIRO/article/view/1058.