Конкурс УМ +
Competition UM +
Author(s): Author Not SpecifiedSubject(s): Social Sciences, Education, School education
Published by: Математика плюс Х ЕООД
Journal: Математика плюс
- Issue Year: 28/2020
- Issue No: 4
- Page Range: 16-17
- Page Count: 2
- Language: Bulgarian
- Content File-PDF