Helmond, Anne, Fernando N van der Vlist, Carolin Gerlitz, Esther Weltevrede, David Nieborg, Thomas Poell, Jeroen de Kloet, Guohua Zeng, and Johannes Paßmann. “App Studies: Platform Rules and Methodological Challenges”. AoIR Selected Papers of Internet Research 6 (October 31, 2016). Accessed March 28, 2024. https://spir.aoir.org/ojs/index.php/spir/article/view/8431.