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Stefka Djobova, Ivelina Kirilova National Sports Academy “Vassil Levski” (Bulgaria) https://doi.org/10.53656/str2021-4s-11-dimen Abstract. There is no doubt that the COVID-19 pandemic...

Silvia Ilieva-Sinigerova National Sports Academy “Vassil Levski” (Bulgaria) https://doi.org/10.53656/str2021-4s-10-lock Abstract. The last year of the global COVID-19 pandemic has provoked...

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...