TY  - BOOK
AU  - Cyrs,Thomas E.
TI  - Teaching and learning at a distance: what it takes to effectively design, deliver, and evaluate programs 
T2  - New directions for teaching and learning,
SN  - 0787998842 (rústica)
AV  - LC5805 T43
PY  - 1997///
CY  - San Francisco
PB  - Jossey-Bass
KW  - Enseñanza a distancia
KW  - Estados Unidos
KW  - Tecnología educativa
KW  - Telecomunicaciones en la educación
ER  -