Karabushchenko P, Ponedelkov A, Vorontsov S, Danilyan O, Vronskaya M. Elitology of education and challenges of the 21st century. Amazonia Investiga [Internet]. 27Dec.2018 [cited 16May2024];7(17):343-52. Available from: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/740