Raxmatov, Utkirjon Farxod o‘g‘li, et al. “JАMOАT TRАNSPORTLARINING SVETAFORLARDAGI USTUVORLIK TIZIMLARI ”. JIZPI XABARNOMASI, vol. 1, no. 1, Sept. 2023, pp. 1015-9, https://jurnal.jizpi.uz/index.php/JOURNAL/article/view/269.