TY  - BOOK
AU  - Garrison, Randy D.
TI  - E- learning in the 21th century: a community of inquiry framework for research and practice 
SN  - 978-1-138-95356-7
U1  - Cir.378.00285 
PY  - 2017///
CY  - New York
PB  - Routledge, 
KW  - Education, Higher
KW  - Computer network resources
KW  - Effect of technological innovations on
KW  - Internet in higher education
KW  - Distance education
N1  - Includes bibliographical references and index
ER  -