CHERNYAVSKIKH, S. D.; VELICHKO, M. A.; KOSTINA, I. B.; GLADKIKH, Y. P.; KRASOVSKAYA, L. V.; SATLER, O. N. Improving educational process quality in the lessons of natural and mathematical cycle by means of stem-training. Cypriot Journal of Educational Sciences, [S. l.], v. 13, n. 4, p. 501–510, 2018. DOI: 10.18844/cjes.v13i4.3857. Disponível em: https://un-pub.eu/ojs/index.php/cjes/article/view/3857. Acesso em: 20 may. 2024.