Ruhe, V., Zumbo, B. Evaluation in distance education and E-learning. New York: Guilford press, 2009 306 p. 978-1-59385-872-8.
Ruhe, V., Zumbo, B. Evaluation in distance education and E-learning. New York: Guilford press, 2009 306 p. 978-1-59385-872-8.
Ruhe, V., Zumbo, B. (2009) Evaluation in distance education and E-learning, New York: Guilford press 306 p. 978-1-59385-872-8.
Ruhe, V., & Zumbo, B. (2009). Evaluation in distance education and E-learning. The unfolding model. New York: Guilford press, 306 p.
Ruhe V, Zumbo B. Evaluation in distance education and E-learning: The unfolding model. New York: Guilford press; 2009. p. 306 p. ISBN: 978-1-59385-872-8.