Reis, Breno Maciel Souza. “Gameplay As an Effect of Tuning in a Ludic Attunement: A Phenomenological Approach to Ingress”. MATRIZes, vol. 13, no. 3, Sept. 2019, pp. 229-53, https://doi.org/10.11606/issn.1982-8160.v13i3p229-253.