Nenad Ristić, Zoran Grdić, and Gordana Topličić-Ćurčić. “HYDRO-ABRASIVE RESISTANCE AND MECHANICAL PROPERTIES OF CONCRETE WITH ADDED FLY ASH”. Advances in Civil and Architectural Engineering, vol. 6, no. 11, Nov. 2021, pp. 1-8, https://hrcak.srce.hr/ojs/index.php/acae/article/view/19904.