Ina Vladova, Milena Kuleva National Sports Academy “Vassil Levski” (Bulgaria) https://doi.org/10.53656/str2021-4s-8-help Abstract. The crisis, caused by COVID-19, created a lot ...

Ivanka Martinova CPE “Terra” at Inovationtech Ltd (Bulgaria). Muammer Aydin National Sports Academy “Vassil Levski” (Bulgaria) https://doi.org/10.53656/str2021-4s-7-afghan Abstract. For Afghanistan, ...

Korneliya Naydenova National Sports Academy “Vassil Levski” (Bulgaria) https://doi.org/10.53656/str2021-4s-6-foot Abstract. One aspect of the security of sport, which is rarely ...

Adelina Miteva Space Research and Technology Institute – Bulgarian Academy of Sciences (Bulgaria) https://doi.org/10.53656/str2021-4s-5-nano Abstract. Nanotechnologies are practically applicable in ...

Hristina Yordanova, Minko Pondev National Police General Directorate, National Centre for Security of Sport Events (Bulgaria) https://doi.org/10.53656/str2021-4s-4-influ Abstract. The development ...

Tatiana Iancheva National Sports Academy “Vassil Levski” (Bulgaria) https://doi.org/10.53656/str2021-4s-3-psycho Abstract. The pandemic COVID 19 has posed unprecedented ordeals before the ...

Petko Dimov Rakovski National Defence College – Sofia (Bulgaria) https://doi.org/10.53656/str2021-4s-2-fake Abstract. This report examines the phenomenon of “fake news” and ...

Eyal Pinko Bar-Ilan University (Israel) https://doi.org/10.53656/str2021-4s-1-risk Abstract. The digital era and the increasing technological reliance of sport are showing a ...

ПОГЛЕД НАД БАЛКАНИТЕ Към политическата икономия на априлското въстание 1876 г. Пенчо Д. Пенчев Университет за национално и световно стопанство ...

Табаков, С., 2020. Опит за история на град Сливен, Т. I (трето издание), София: БАРАКА, 732 стр.; Табаков, С., 2021. ...