Situation Analysis of the Security Education and Training System in the Republic of Bulgaria by Stoyko Stoykov, Elitsa Petrova

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The Overview of Security Theories and Concepts and the Example of the Republic of Bulgaria in Understanding the Problem of Security by Elitsa Petrova, Stoyko Stoykov

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Studies in the History of Geodesy and Cartography in Bulgaria by Temenoujka Bandrova

“…Two years later, the book was translated into English by Meglena Bazhdarova and published with the sponsorship of the Chamber of Graduate Surveyors and Military Geographic Service at the Ministry of Defence. The English version did not include two chapters from the Bulgarian edition: chapter XIV "The Cadastre Abroad and in Bulgaria – Introduction and Development from 1878 to 1944" and chapter XV "Vertical Planning – History and Development in Bulgaria".…”
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Application of the modeling method to the calculation of the probability of hitting a stationary target during the fire action of a tank squad in defense by Zoran B. Obradović, Branislav B. Nikolić, Goran P. Popović, Nikolay D. Gadzhalov, Krastyu I. Krastev

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Ballistic resistance of bulletproof vests level IIIA. Development of testing methodology by Yaneva Svetlana

“…The methodology is based on the requirements and norms for the given level of protection laid down in the standardization documents in this field, namely NIJ Standard–0101.04 - Ballistic Resistance of Personal Body Armor, NIJ Standard–0101.06 - Ballistic Resistance of Body Armor, STANAG 2920 - Ballistic test methodology for personal armour materials and combat clothing, GOST R 50744-95 - Armored clothing, as well as these of Ministry of Defence and Ministry of Interior of the Republic of Bulgaria. …”
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1944 Battle of Serbia by Zorić Mirjana

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Echinacea Purpurea For the Long-Term Prevention of Viral Respiratory Tract Infections During Covid-19 Pandemic: A Randomized, Open, Controlled, Exploratory Clinical Study by Emil Kolev, Lilyana Mircheva, Michael R. Edwards, Michael R. Edwards, Sebastian L. Johnston, Sebastian L. Johnston, Krassimir Kalinov, Rainer Stange, Giuseppe Gancitano, Wim Vanden Berghe, Samo Kreft

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Position of Serbian minorities in neighboring countries in the light of European integration and geopolitical processes by Raduški Nada

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