КОВЧИН, Н. А. Modeling of the didactic process during the study of geography by secondary school students. Educational Dimension, Kryvyi Rih, Ukraine, v. 32, p. 513–520, 2011. DOI: 10.31812/educdim.4626. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/4626. Acesso em: 21 may. 2024.