Number of views: 1846
Number of downloads: 1154
Volodymyr Golovchenko
Taisiya Shulga
Igor Hraban, Oleg Barabash
Vyacheslav Tsivatyy
Information is the oxygen of the modern world.
Ronald Reagan
Number of views: 1846
Number of downloads: 1154
Volodymyr Golovchenko
Taisiya Shulga
Igor Hraban, Oleg Barabash
Vyacheslav Tsivatyy