1.
Velko O. HEURISTIC LESSON ON THE TOPIC Ā«VISUALIZATION OF DATA OF SOCIO-ECONOMIC CHARACTER WITH THE HELP OF DIAGRAMSĀ». DEU [Internet]. 2021 Sep. 2 [cited 2023 Sep. 25];1(1):64-6. Available from: https://jrnl.nau.edu.ua/index.php/DEU/article/view/15742