%0 Journal Article %T Ranking by Relevance and Citation Counts, a Comparative Study: Google Scholar, Microsoft Academic, WoS and Scopus %A Rovira, Cristòfol %A Codina, Lluís %A Guerrero-Solé, Frederic %A Lopezosa, Carlos %J Future Internet %V 11 %N 9 %@ 1999-5903 %D 2019-09-19 %I Multidisciplinary Digital Publishing Institute %~ DeepDyve