<div>1. Trends in the Development of Transport Services Offered on Transport Exchanges during the Covid-19 Pandemic.- 2. Use Cases and C-ITS Communication Analysis as s Step Toward the Connected Mobility.- 3. Use of a Software Application to Calculate the Efficiency of Municipalities Using the Method of Data Envelope Analysis.- 4. Mobile Application for Remote HR Management.- 5. Mathematical Modelling of Drive and Dynamic Load of Teeth of Cylindrical Worm Gear.- 6. Research into the Impact of Modern Marketing Strate-gies on the Competitiveness of the Company and In-creasing the Economic Potential of the Company.- 7. Use of Marker AR by implementation on production equipment for education of students of technical fields: A study.- 8. Increasing the Client Satisfaction by Exploitation of Customer Relationship Management in Construction Projects.- 9. Use of Probabilistic Risk Assessment Methodology for Providers of Services in a Virtual Environment.- 10. Challenges of Improving the Railway Passenger Information System in the Republic of Croatia.- 11. Spammer Detection approaches in Online Social Network (OSNs): A Survey.- 12. Overview of Wi-Fi-based Automatic Passenger Counting Solutions in Public Urban Transport.- 13. Impact of Dynamic Characteristics of Gears on the Reliability of Prilling Equipment.- 14. Security and Privacy of Cloud based Online Social Media: A Survey.- 15. Monitoring the energy consumption of FDM device based on the variation of operating parameters: A study.</div><p></p>