Sustainable supply of energy is possible only with an optimal combination of the characteristic benefits of each of the renewable energy sources. Unlike fossil fuels, biogas is a permanently renewable fuel, produced from biomass, which is a living storehouse of solar energy through photosynthesis. The use of biogas helps to improve the energy...

By Ljiljana Tanasić, Biljana Delić, Saša Spasojević, Bojan Damnjanović

 Šabac is a city that has had a central wastewater treatment plant (WWTP) since 2017, which is very important from the aspect of protecting the health of the population and protecting the environment. The advantage of the plant is that it facilitates the business of economic entities in the city. They do not have to have their own waste...

By Suzana Knežević

 Change management, as a constant task of managers and an integral part of managing the organization as a whole, is a general management process aimed at planning and implementing change so that the organization can function successfully and develop in conditions of continuous change in the environment. Accordingly, the change management proce...

By Biljana Bjelica, Ognjen Bakmaz, Dragan Vukasović

 While Bosnian society seeks to ensure the standards of the institutions of the European Union and the Council of Europe within its own society, we face the problem of security of state borders and the growing trend of illegal migration. Una Sana Canton has become a kind of buffer zone towards "open Europe or Europe of fortresses" where all th...

By Amela Čolić, Hamdija Lipovača, Belma Bajrić

 The COVID-19 virus pandemic has begun to spread at an accelerated pace since its outbreak in December 2019, causing significant negative effects globally. The effects of the pandemic are still present today, resulting in negative consequences for food systems, with direct and indirect implications for the lives of all, especially the poorest ...

By Mina Kovljenić, Jovana Škorić

 The modern understanding of development, as a process of continuous solution of numerous and diverse social and economic needs, whose success is measured by increasingly complex systems of indicators, requires a re-examination of many traditional understandings, especially when it comes to modalities and dynamics of economic growth and develo...

By Denis Stojkanović, Zdravka Petković

 Modern educational trends are based on the information technology implementation in the teaching process, at all levels of education with the aim of engaging students as active participants. Numerous studies showed that this approach greatly increases the interest in monitoring the teaching content, and thus has a positive effect on enlarging...

By Ivan Petrović, Hristina Delibašić Marković, Violeta Petrović

 This paper is deducated to the development of software for the role of the main player in the game Seaways, which was created in Unity Game Engine using the C# programming language. At the beginning of the paper, the basic characteristics of the Unity Game Engine are presented. Then, the paper presents the procedure of creating the user inter...

By Blagodar Lovčević, Miodrag Milićević, Nikola Marković, Marko Boljanić, Mladen Lovčević

 This paper presents the Taguchi method and regression analysis for obtaining surface roughness in end milling of aluminum 6082-T6. Surface roughness was measured using a Mahr profilometer. The values of the experimental measurements were compared with the values obtained by regression analysis. The optimization was performed using the Taguchi...

By Jelena Stanojković, Dragan Lazarević, Ivica Čamagić, Živče Šarkočević

 In recent years the information and communication technologies use in the education system has been increased. The development of technology demands the education system advancement and the improvement of students’ skills required for the new era, and implies particular challenges as well, especially for the teachers. Due to the Covid-1...

By Ivana Vučetić, Snežana Kirin, Nena A. Vasojević, Aleksandar Sedmak