http://unesdoc.unesco.org/images/0024/002432/243264e.pdf

https://idealprojectblog.files.wordpress.com/2016/01/uil-ideal-160122-2.pdf

Opportunities for distance education to benefit adult learners in higher education. By A. Carlsen, C. Holmberg, C. Neghina, A. Owusu-Boampong.  Published 2016 by UNESCO Institute for Lifelong Learning (UIL).

The project examined the interrelations of adult learning, higher education and distance education while analysing if and how higher education institutions contributed to adult learning by means of distance education.