VELKO, O. HEURISTIC LESSON ON THE TOPIC «VISUALIZATION OF DATA OF SOCIO-ECONOMIC CHARACTER WITH THE HELP OF DIAGRAMS». Distance Education in Ukraine: Innovative, Normative-Legal, Pedagogical Aspects, [S. l.], v. 1, n. 1, p. 64–66, 2021. DOI: 10.18372/2786-5495.1.15742. Disponível em: https://jrnl.nau.edu.ua/index.php/DEU/article/view/15742. Acesso em: 11 mar. 2025.