其他摘要：Background and Purpose: In education of medical science courses, there has been a growing orientation towards replacing traditional teaching in with E-learning education. Since the modern system of education is based on self-directed learning, e-learning requires special powers to deal with new-emerging challenges and professionally encounter the learning environment. The purpose of the present research is to explain and provide a conceptual model for professional competency in this system. Methods: In this review, different internet and library resources, indexed in Scirus, Pre Quest, Scopus, IEEE, SID, Magiran, Eric, Taylor and Francis, and Google Scholar from 1990 to 2015 were searched using the following
