TY  - BOOK
AU  - Mantyla, Karen.
AU  - Gidiven,  J. Richard.
TI  - Distance learning: A step-by-step guide for trainers
SN  - 1562860607
AV  - LC 5805.M36 1997 
PY  - 1997///
CY  - USA
PB  - ASTD
KW  - Distance education
ER  -