TY  - GEN
AU  - Moore, Michael G.
AU  - Kearsley, Greg
TI  - Distance education : a system view of online learning
SN  - 9781111520991
AV  - LC 5800
PY  - 2012///
PB  - Wadsworth Cengage Learning
KW  - Distance education
N1  - 22161
ER  -