TY  - BOOK
AU  - Michael Grahame Moore and William C. Diehl 
TI  - Handbook of distance education 
SN  - 978-1-138-23900-5
U1  - Cir. 371.35 M821 C2019 
PY  - 2019///
CY  - New York 
PB  - Routledge 
ER  -