Маргарита Ламбова Икономически университет – Варна https://doi.org/10.53656/math2021-2-3-sta Резюме. Представени са разсъждения относно понятието „статистическа значимост“, популярно средство за „доказване“ на ...

Bogdana Koneva, Maria Shabanova Northern (Arctic) federal university named after M.V. Lomonosov (Russia) https://doi.org/10.53656/math2021-2-4-boa Abstract. The aim of this article ...

Silvia Gaftandzhieva, Rositsa Doneva, Marieta Atanasova University of Plovdiv “Paisii Hilendarski” – Plovdiv (Bulgaria) doi.org/10.53656/math2021-2-5-imp Abstract. Contemporary education has been ...

Evgeniya Nikolova, Yanislav Zhelev, Mariya Monova-Zheleva Bulgarian Academy of Sciences – Burgas (Bulgaria) https://doi.org/10.53656/math2021-2-6-add Abstract. In today’s single market, standardization ...

Христо Христов, Николай Чочев Пловдивски университет „Паисий Хилендарски“ – Пловдив https://doi.org/10.53656/math2021-2-7-kac Резюме. В настоящата работа е изследван процесът на конферентно ...

Ivaylo Kortezov Bulgarian Academy of Sciences https://doi.org/10.53656/math2021-2-8-aco Abstract. In some regions of Bulgaria (at least) there is an Easter tradition, ...

Vasyl Shvets, Oleksandr Shkolnyi, Iryna Dremova National Dragomanov Pedagogical University – Kyiv (Ukraine) https://doi.org/10.53656/math2021-2-9-evo Abstract. The evolution of the content ...

https://doi.org/10.53656/math2021-2-10-kon Отвори пълния текст  

https://doi.org/10.53656/math2021-2-11-res Отвори пълния текст  

Dr. Georgi Tsochev, Assist. Prof. Technical University of Sofia (Bulgaria) https://doi.org/10.53656/math2021-3-1-som Abstract. The COVID-19 pandemic introduced many limitations and changes ...