TY  - BOOK
AU  - Simonson,Michael R.
AU  - Smaldino,Sharon E.
AU  - Zvacek,Susan
TI  - Teaching and learning at a distance: foundations of distance education 
SN  - 9781623967987 (rústica)
AV  - LC5800 T435 2014
U1  - 371.35 23
PY  - 2015///
CY  - Charlotte, North Carolina
PB  - Information Age Publishing
KW  - Educación a distancia
ER  -