Budirohmi A, Mustari Y, Suriani Y, Adriana V, Natsir H. The Effect of Concentration of Titanium Dioxide Nanoparticles on Their Antibacterial Activity in the Synthesis of Polyurethane Biopolymers. HJKK [Internet]. 2023 Oct. 16 [cited 2025 Sep. 30];11(5):743-50. Available from: https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/9021