Torres-Salinas, Daniel, Rafael Ruiz-Pérez, and Emilio Delgado-López-Cózar. 2010. “Google Scholar: A Tool for the Evaluation of Science?”. Anuario ThinkEPI 4 (October): 254-57. https://thinkepi.scimagoepi.com/index.php/ThinkEPI/article/view/31269.