My paper "Distance Learning—Predictions and Possibilities" published in Education Sciences. It looks at wider global, economic and technological factors and challenges confronting distance learning.
Abstract: http://www.mdpi.com/2227-7102/8/1/35/ …
PDF: http://www.mdpi.com/2227-7102/8/1/35/pdf …
Abstract: http://www.mdpi.com/2227-7102/8/1/35/ …
PDF: http://www.mdpi.com/2227-7102/8/1/35/pdf …