Hypothesis

after payment (24/7)
(for all gadgets)
(including for Apple and Android)
Independent scientific journal, No. 1. Rare, probably the only issue published.
FL/824619/R
Data sheet
- Name of the Author
- Владимир Хуторской Яковлевич
Пётр Гаряев Петрович
Сергей Багоцкий Владимирович - Language
- Russian