Sergey Bogdanov
Physics and Math Faculty
Karelian State Pedagogical University
185680 Petrozavodsk
Russia
e-mail: sbogdanov@onego.ru
Irina Tevel
Physics and Math Faculty,
Karelian State Pedagogical University
185680 Petrozavodsk
Russia
e-mail: tevel@sampo.ru
National report:
Download report on how the survey was organised in Russia