Comparative Study of Sol-Gel and Green Synthesis Technique Using Orange Peel Extract to Prepare TiO2 Nanoparticles. Baghdad Sci.J [Internet]. 2024 May 1 [cited 2024 May 21];21(5):1702. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/8089