Sarapulova, O., and V. Sherstiuk. “Formation and Photoluminescent Properties of Nanophotonic Elements With Nanosized ZnO for Smart Packaging, Deposited by Screen Printing”. Journal of Print and Media Technology Research, vol. 4, no. 3, Oct. 2023, pp. 187-94, http://jpmtr.net/index.php/journal/article/view/141.