Microhardness Enhancement in Polymer Composites via BaZrO 3 -Based Ceramic Reinforcement. - Gamoudi, Houda Ali; Radojevic, Vesna; Stajcic, Aleksandar; Petrovic, Milos; Simovic, Bojana; Stojanovic, Dusica B.; Stajcic, Ivana (Applied Sciences (2076-3417), 2026)