TY  - BOOK
AU  - Stake,Robert E.
ED  - Organisation for Economic Co-operation and Development
ED  - Centre for Educational Research and Innovation
TI  - Evaluating educational programmes: the need and the  response : a collection of resource materials 
SN  - 9264115358
PY  - 1976///
CY  - Paris
PB  - Organisation for Economic Co-operation and  Development
KW  - Educational surveys
N1  - Includes bibliographical references (p.85-89)
ER  -