Vera Zaharieva National Sports Academy “Vassil Levski” (Bulgaria) https://doi.org/10.53656/str2021-4s-14-media Abstract. This research offers a review of the online news content...

Vesela Stoycheva University of Architecture, Civil Engineering and Geodesy (Bulgaria) https://doi.org/10.53656/str2021-4s-13-extre Abstract. The problem of student survival in extreme situations...

Vladimir Ivanov Medical University – Sofia (Bulgaria) https://doi.org/10.53656/str2021-4s-12-doct Abstract. Violence over doctors and medical staff is a serious social issue...

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...