Javier Tarango is a full-time professor and researcher in the Universidad Autónoma de Chihuahua (UACH) in Mexico and is a member of the National Researchers System. He holds a PhD in Education (UACH), a Master's degree in Information Science (Universidad de Guanajuato, Mexico), a Master's degree in Organisational Development (Universidad de Monterrey, Mexico), and a Bachelor's degree in Pedagogy (UACH). His current lines of research are information literacy and evaluation of scientific production. He has published eight books, 20 book chapters, 38 peer-reviewed and indexed scientific articles, 24 proceedings at length, and 72 papers. He is a peer reviewer for seven scientific journals and 6 academic books.Professor Juan D. Machin-Mastromatteo is a Professor at the Autonomous University of Chihuahua (UACH). PhD in Information and Communication Sciences (Tallinn University, Estonia). His research interests include: information literacy, action research, evaluation of scientific production and bibliometrics, open access and digital libraries. He has more than 20 years of working experience in archives, libraries, higher education, and professional development. He has published over more than 140 scientific publications: 93 articles, 8 books, 29 chapters and 20 editorial notes prepared for journal issue which he has edited and co-edited