TY  - BOOK
AU  - Walton,Jack
AU  - Welton,John
ED  - Ward Lock Educational
TI  - Rational curriculum planning: four case studies 
SN  - 0706235002
U1  - 375.001 23
PY  - 1976///.
CY  - London: 
PB  - Ward Lock Educational, 
KW  - Curriculum planning
N1  - Includes index
ER  -