TY  - BOOK
AU  - Ruhe,Valerie
TI  - Evaluation in distance education and e-learning: the unfolding model
SN  - 9781593858728 (pbk. : alk. paper)
U1  - 378.175 
PY  - 2009///
CY  - New York
PB  - Guilford Press
KW  - Distance education
KW  - Evaluation
KW  - Computer-assisted instruction
KW  - Web-based instruction
ER  -