TY  - BOOK
AU  - Simonson,Michael R.
TI  - Teaching and learning at a distance: foundations of distance education 
SN  - 9780131196308
AV  - LC5800  .T42 2006
PY  - 2006///
CY  - Upper Saddle River, NJ
PB  - Pearson
KW  - Distance education
ER  -