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 Mobility3. Use of a Software Application to Calculate the Efficiency of Municipalities Using the Method of Data Envelope Analysis 4. Mobile Application for Remote HR Management5. Mathematical Modelling of Drive and Dynamic Load of Teeth of Cylindrical Worm...