Investigation the Influence of adding Nano –Yttria Partially Stabilized Zirconia (NZrO2-5wt%YPSZ) on the Physical and Mechanical Properties of Concrete . DJES [Internet]. 2023 Sep. 3 [cited 2025 Jun. 6];16(3):52-63. Available from: https://djes.info/index.php/djes/article/view/1179