Ilin, V., M. Veličković, N. Garunović, and D. Simić. “Last-Mile Delivery With Electric Vehicles, Unmanned Aerial Vehicles, and E-Scooters and E-Bikes”. Journal of Road and Traffic Engineering, Vol. 69, no. 4, Dec. 2023, pp. 37-42, doi:10.31075/PIS.69.04.05.