This scientific work aims to evaluate the life cycle of biodiesel, using the method of environmental impact and sustainability analysis. Biodiesel is a biofuel obtained by processing vegetable oils or animal fats, which can be used as a substitute for conventional diesel, due to its renewable nature and lower impact on greenhouse gas emission...

By Ivan J. Stojković, Miljana Krstić, Ana Veličković, Jelena Avramović, Vlada Veljković

 The tourist themed routes go back almost 100 years. First of all, they are of great importance within the field of tourism, and even today they are effective tools for tourism development and rural development. In the 1990s, the first thematic tourist routes were created in Central and Eastern European countries. Their creation, operation and...

By Mónika Pentz, Tibor Gonda

 Financial reports are published on the official websites of business entities, on stock exchanges (if the company is listed on the stock exchange), as well as in other ways so that they are fully accessible to the public. So, as a rule, these are documents that do not represent a business secret, but the goal is to familiarize all interested ...

By Marko Milić, Slađana Vujičić

 The abuse of official position or authority as the main criminal act against official position causes various doubts and problems in practice regarding the features of offenders of that very action of execution, using official position, which is not clearly and concisely defined, and which is contrary to the principle of legality as the main ...

By Suzana Malešić, Duška Zorić

 The toxicity of hexavalent chromium (Cr(VI)) is well recognized, and its use is highly regulated in EU countries, including restrictions under frameworks like the REACH regulation in the EU. In Republika Srpska, the use of Cr(VI) is also limited by current legal regulations, ensuring strict control over its use and discharge. Under REACH, hex...

By Borislav N. Malinović, Olja Petrušić, Sanda Pilipović, Draženko Bjelić, Tijana Đuričić

 Preserving the balance of the aquatic ecosystem requires minimizing the impact of invasive species, such as the spiny-cheek crayfish Faxonius limosus from the Danube River. Valorizing the meat of spiny-cheek crayfish through the concept of zero waste not only helps in reducing its negative impact on biodiversity but also presents an opportuni...

By Jasmina Lazarević, Ivana Čabarkapa, Slađana Rakita, Jovana Delić, Miloš Županjac, Zorica Tomičić, Tatjana Peulić

 Considering diverse applications of oils, there is increasing interest in identifying and exploring potential new oilseed crops. One such promising crop is Thlaspi alliaceum L. (garlic pennycress) from the Brassicaceae family. The present paper deals with the yield, physicochemical properties, and fatty acid composition of garlic pennycress s...

By Milan D. Kostić, Biljana S. Đorđević, Marija R. Miladinović, Olivera S. Stamenković

 This scientific work includes technological procedures and methods of control and testing of wagon axles (axle assemblies) that can be applied in determining their condition and the possibility of further use in exploitation. Technological procedures and methods enable controllers and operators to detect failures, i.e. defects, damage and irr...

By Veljko Vuković, Zoran Stjepanović, Halid Žigić, Novak Damjanović

 The aim of the research was to examine the relationship between the parenting styles of parents and the appearance of aggression in adolescents in the final grades of secondary schools. The sample consisted of 204 respondents, of whom 107 were male and 97 female, with an average age of 17 years. Among the instruments, we used a structured que...

By Andea Uzelac, Snežana Samardžić

 Religious tourism has been a dynamically growing social and economic phenomenon in our world for the past fifty years. Its roots can be traced back to thousands of years in a variety of religions. Nowadays, the number of religiously motivated trips worldwide is estimated to be at hundreds of millions every year. However, several times that nu...

By Elek Bartha