Štefančić, G., Pilih, Z. and Stanković, M. (2006) “Technology of Urban, Interurban and Rural Passenger Transport”, Promet - Traffic&Transportation, 18(1), pp. 39–42. Available at: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2146 (Accessed: 26 August 2025).