TY  - BOOK
AU  - Rowntree Derek
TI  - preparing Materials for Open, Distance and Flexible Learning: An Action Guide for Teachers and Trianers 
SN  - 0749411597 (pbk.).
AV  - KWP11 LC5800 
PY  - 1994///
CY  - London
PB  - KOgan Page
N1  - includes bibliographical references and index
ER  -