STUDY OF THE EFFECT OF NH4F CONCENTRATION ON THESTRUCTURE OF ELECTROCHEMICALLY PREPARED TiO2NANOTUBES. Iraqi Journal of Science [Internet]. 2024 Mar. 26 [cited 2024 Nov. 22];53(4):827-31. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12914