PTAK, Paweł. APPLICATION OF SOFTWARE PACKAGES IN RESEARCH AND DIDACTICS. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 2, p. 589–597, 2016. DOI: 10.17770/sie2016vol2.1418. Disponível em: https://archive-journals.rtu.lv/sie/article/view/1238.. Acesso em: 11 mar. 2026.