Alpysbayeva, B. E., K. A. Abdullin, A. Y. Sazonov, A. A. Karipkhanova, and A. A. Markhabaeva. “Fabrication of Nanoporous Alumina Films and Optimization of Anodizing Process Parameters”. Asian Journal of Applied Sciences, vol. 1, no. 5, Jan. 2014, https://www.ajouronline.com/index.php/AJAS/article/view/781.