international journal of data management (англ.)
↑ smart business: "visionary in obscurity" (неопр.). ↑ Шестакова И. Г. international journal of http://4x4magaz.ru electronic commerce.
↑ smart business: "visionary in obscurity" (неопр.). ↑ Шестакова И. Г. international journal of http://4x4magaz.ru electronic commerce.