TY  - BOOK
AU  - Garrison,D.Randy
TI  - E-learning in the 21st century: a community of inquiry framework for research and practice 
SN  - 9781138953550
PY  - 2017///
CY  - New York, NY
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  -