TY  - BOOK
AU  - Holmberg, Borje
TI  - Theory and practice of distance education
U1  - 374.4 H732T(2) 
PY  - 2018///
CY  - Oxon
PB  - Routledge
N1  - 3604 24/09/2019 RBP19/76963 30/09/2019 Main Budget
ER  -