TY  - BOOK
AU  - Christopher,Doris
TI  - E-world: virtual learning, collaborative environments, and future technologies 
SN  - 0933964617
PY  - 2004///
CY  - Reston, VA
PB  - National Business Education Association
KW  - Distance education
KW  - Internet in education
KW  - Computer-assisted instruction
N1  - References : p. 241-243
ER  -