Ksenia Koroleva, Mathias Becker, Kalina Drenska Diogo Vitorino, and Jasminko Novak. “Developing a Collective Awareness Platform for Urban Sustainability Challenges: Case Study of the POWER Project”. European Journal of Sustainable Development 8, no. 4 (October 1, 2019): 214. Accessed April 30, 2024. http://ojs.ecsdev.org/index.php/ejsd/article/view/870.