Shvachko S., Pyshchyk N., Shumenko О. Shvachko S., Pyshchyk N., Shumenko О. Categorization vs conceptualization (based on metasign "nothing") . PT [Internet]. 2020 Apr. 6 [cited 2024 Apr. 20];6(4):69-73. Available from: https://tractatus.sumdu.edu.ua/index.php/journal/article/view/387