Uhlin, W. M., C. Uziel, E. Warg, and M. Gankhuyag. “PFR SKELLEFTEÅ 2022”. European Journal of Volunteering and Community-Based Projects, vol. 1, no. 1, Feb. 2024, pp. 724-67, https://pkp.odvcasarcobaleno.it/index.php/ejvcbp/article/view/163.