374 Verduin, John R. Distance education : the foundations of effective practice / John R. Verduin, Jr., Thomas A. Clark. - 1st ed.. - San Francisco : Jossey-Bass, 1991. xvi, 279 p. : ill. ; 24 cm. Content notes : Part one: Distance education and lifelong learning -- The idea and evolution of distance education -- How distance education serves adult learners -- Part two: Strengths and limitations of current practice -- Key approaches to distance education -- Delivering programs to learners -- Assessing program quality and effectiveness -- Part three: Strengthening the theory and practice of distance education -- Program foundations -- Teaching and learning -- Organization and administration -- Conclusion: Opportunities and challenges for the future -- Resource: Academic achievement in distance and higher education. 155542306X 9781555423063 * Distance education. Enseignement à distance. Fernunterricht. * USA. * Clark, Thomas A., * Title