Domestic bentonite clay (location Šipovo, Republika Srpska, BiH) is characterized by good structural, textural and morphological characteristics, and has the possibility of wide industrial application. Literature research has shown that the characteristics of this clay can be improved by various methods of modification, and then used f...

By Zoran Petrović, Ana Đokić, Tatjana Botić, Sabina Begić, Dragana Kešelj, Milena Milovanović

 STEM education is an educational approach focused on the integration of science, technology, engineering, and mathematics in the creation of student-centered learning environment for the examination of real-life phenomena [1,2]. The benefits of the STEM implementation within school environment are reflected in the increasement of students&rsq...

By Jovana S. Marjanović, Marina D. Kostić, Vera M. Divac

 Among the most famous collections of publicly available data on the Internet is Wikipedia, which contains millions of articles in many languages covering a wide variety of topics. Complete dumps of all texts from the Wikipedia database in XML format are updated monthly. In this paper, the contents that exist on Wikipedia in the official langu...

By Zoran Nikolić

 Dental composites are commonly used as restorative materials in dentistry, which helps to maintain a healthy tooth structure. In this work, dental composites were prepared by blending hexagonal boron nitride nanoparticle (h-BN) with glycidyl methacrylate (GMA) / Triethylene glycol dimethacrylate (TEGDMA) based on modified nanoparticles as fil...

By Vesna Teofilović, Henda S. A. Abdussalam, Jelena Pavličević, Ayse Z. Aroguz

 The ability of the national economy to create and valorize knowledge into innovation signifies its innovation capacity. Based on its own methodology, the aim of the paper is to: a) calculate the index of the Innovation capacity index of the European Union and the Western Balkans as an average of the value of the Research capacity index, Techn...

By Andrea Andrejević Panić, Aleksandar Kostić, Slobodan Cvetanović

 In order to determine the competitiveness in the global market, for the purposes of this paper, secondary collected data of basic structural indicators of business of companies and entrepreneurs from the Republic of Srpska for the period from 2017 to 2019 were used. They were processed by descriptive statistics, and in order to determine the ...

By Mirjana Milovanović, Ružica Đervida, Branka Marković

 The coronary virus pandemic will certainly have great consequences for the economy. It is written much about the negative economic consequences, but little about changes in consumer habits and about adapting the marketing concept to new circumstances. The paper entitled Modern forms of sales and promotion in the context of a pandemic, aims to...

By Biljana Rađenović Kozić

 Negotiations with the World Trade Organization and membership in it represent one of the de facto conditions for membership in the European Union, which is the basic goal of our foreign policy. In the first part of the paper, the authors discussed the historical aspect of Serbia's current position in the World Trade Organization, and the reas...

By Aleksandra Milošević, Milena Milojević, Goran Stanišić

 Organogels are semi-solid materials in which gelator molecules in the presence of chosen organic solvent compose self-assembled mesh structure that prevent solvent to flow. During a past few decades, the application of different organogel systems into numerous areas of materials science has been approved (e. g. drug delivery). Considering cru...

By Nenad Janković, Emilija Milović, Jelena Petronijević, Nenad Joksimović, Dušan Milivojević

 Job satisfaction is the cognitive, affective, and evaluative response of an individual to their job. This study aimed to examine whether there are differences in the general job satisfaction depending on the socio-demographic characteristics of healthcare workers: gender, age, level of education, duration of service, marital status, income an...

By Dijana Đurić, Biljana Mirković