García-Peñalvo, Francisco J.Seoane-Pardo, A. M.2016-03-292016-03-292014García-Peñalvo, F. J., & Seoane-Pardo, A. M. (2014). Preface of Online Tutor 2.0: Methodologies and Case Studies for Successful Learning. In F. J. García-Peñalvo & A. M. Seoane-Pardo (Eds.), Online Tutor 2.0: Methodologies and Case Studies for Successful Learning (pp. xvi-xxi). Hershey, PA, USA: IGI Global.http://repositorio.grial.eu/handle/grial/538enelearningonline tutorcase studiesaprendizaje onlinetutor onlinecasos de estudioArticle