M. Kärmeniemi, T. Lankila, E. Rönkkö, K. Nykänen, H. Koivumaa-Honkanen, and R. Korpelainen, “Active transportation policy and practice in the city of Oulu from 1998 to 2016—A mixed methods study”, JTLU, vol. 15, no. 1, pp. 691–708, Nov. 2022.