Web-based distance education has been providing low operational cost and means to solve problems of education in the various disciplines and fields of public and private sectors. It also creates opportunities such as professional development, personal develepment, attending certification or academic programs for the people who are already employed. Obviously, the content of such a system or education programs should have a robust structure. The structure would provide significant advantages in re-using and upgrading of the content and system. This particular study emphasizes the required features and standards of distance education as well as basic concepts of it.
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