TY  - BOOK
AU  - Lewis,Roger
TI  - How to tutor in an open learning scheme: self-study version 
SN  - 086184050X (pbk.) :
AV  - LC5915 .L48 1981
U1  - 374/.4 19
PY  - 1981///
CY  - London
PB  - Council for Educational Technology
KW  - Correspondence schools and courses
ER  -