Mortera Gutiérrez, Fernando J.2015-09-182015-09-182003-0925/04/2013http://hdl.handle.net/11285/578004.NADocumento escrito originalengOpen Accesshttp://creativecommons.org/licenses/by-nc-nd/4.0/degrees of interactiondistance educationinstructional practicesteaching strategieslearner's interactionslearners' attitudesInteractions Used by Instructors in E-Learning EnvironmentsElementoCiencias Sociales / Social Sciences