[1]
Андрущенко, Д.М. and Козина, Г.Л. 2014. The method of the internet authorization for the protection of shareware programs. Eastern-European Journal of Enterprise Technologies. 4, 2(70) (Jul. 2014), 23–27. DOI:https://doi.org/10.15587/1729-4061.2014.26302.