Silvia Shandurkova National Sports Academy “Vassil Levski” (Bulgaria) https://doi.org/10.53656/str2021-4s-9-orient Abstract. This paper discusses the characteristics and implementation of the GPS ...

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 ...

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

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

Dr. 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 ...

ПОГЛЕД НАД БАЛКАНИТЕ Към политическата икономия на априлското въстание 1876 г. Проф. д.н. Пенчо Д. Пенчев Университет за национално и ...