ЧУДІНА, О. Л. Quantitative determination of completeness of mastering scientific concepts in learning geography. Educological discourse, [S. l.], n. 1 (3), p. 35–45, 2014. Disponível em: https://od.kubg.edu.ua/index.php/journal/article/view/47. Acesso em: 16 jul. 2024.