TY  - BOOK
AU  -  Vaugrante,Christiane
TI  -  How to calculate, estimate, check, establish, use numerical data on education
U1  -  371.00182 VAU 
PY  - 1971///
CY  -  [Dakar : 
PB  -  Regional Office for Education in Africa], 
KW  -  Educational statistics
KW  -  Education
KW  -  Mathematical models
ER  -