L. Gomes, A. Fontão, A. Bezerra, and A. Dias-Neto.
"An Empirical Analysis of Mobile Apps’ Popularity Metrics in Mobile Software Ecosystems", in <em>Anais do XV Simpósio Brasileiro de Qualidade de Software</em>, Maceió, 2016, pp. 21-35, doi: <a href="https://doi.org/10.5753/sbqs.2016.15123">https://doi.org/10.5753/sbqs.2016.15123</a>.