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

 Good communication is a precondition for successful management, ie its basic functions, leadership and coordination. It has long been known that quality, clear and focused communication is the basis of a successful business. Despite this, to the study of business communication is not given enough attention and space in formal education. It is...

By Ljubomir Zuber

 Management of foreign exchange policy is complex activity for the leaders of economic policy and it cannot be autonomous, but has to be aligned with other measures of economic policy ( policy of managing demand, trend of monetary aggregates,export offer,etc.). Deficits from the trade balance, with constant overvaluing of local currency and in...

By Dejan Grujić

 The process of digital business transformation is present today in both, developed and less developed economies. This process is primarily reflected in the application of modern information and communication (ICT) achievements, in performance of business processes in all branches of the economy, and public administration. This has enabled the...

By Mihajlo Travar, Saša Ristić, Igor Dugonjić

 Recent data in the field of wastewater treatment by adsorption indicated the increasing usage of industrial waste as adsorbents for heavy metals removal from wastewater. This is an especially important topic with respect to the fact that in Montenegro operating steelmaking factory and coal fired power station which generates by-products that ...

By Milena Tadić, Irena Nikolić, Dijana Đurović, Nevena Cupara, Ivana Milašević

 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

 Alternative energy is any energy source that does not use fossil fuels (coal, natural gas, petroleum). Seven types of renewable energy are solar, wind, hydroelectric, ocean, geothermal, biomass, hydrogen energy. Solar and wind energy is widely available in Armenia due to geographic and climate conditions. A green economy is an economy that ai...

By Anna Arshak Mktchyan-Arshakyan, Marine Armen Nalbandyan

 The paper deals with the research of the theoretical setting of the phenomenon of public urban spaces through the presentation of the analysis of research that describes the structure of public urban spaces in terms of the processes that take a place within them. It analyzes public life and the user's relationship with the city life, i.e., re...

By Dubravko Aleksić, Tanja Trkulja

 Public spaces are very important for urban life, and their traditional form are the streets. Streets occupy more than 80% of the total public space. The content of the street defines its character and the built, natural, social, cultural and economic context. Also, streets must be designed to respond to the many challenges that cities face, s...

By Tanja Trkulja, Dubravko Aleksić

 Buildings consume 40% of primary energy and are responsible for 36% of greenhouse gas (GHG) emissions. Therefore, reducing energy consumption in buildings can lead to large energy savings, and thus to a reduction in GHG emissions and environmental protection. Nearly zero energy buildings have great potential for a significant reduction in ene...

By Ana Radojević, Danijela Nikolić, Jasmina Skerlić, Jasna Radulović