TY  - BOOK
AU  - Ruhe,Valerie
AU  - Zumbo,Bruno D.
TI  - Evaluation in distance education and e-learning: the unfolding model 
SN  - 9781593858728 (pbk.) :
AV  - LC5800 .R84 2009
PY  - 2009///
CY  - New York
PB  - Guilford Press
KW  - Distance education
KW  - Evaluation
KW  - Computer-assisted instruction
KW  - Web-based instruction
N1  - Includes bibliographical references (p. 265-289) and indexes
ER  -