TY  - BOOK
ED  - Organisation for Economic Co-operation and Development.
TI  - Development of secondary education: trends and implications
AV  - LB1607 .O7
U1  - 373 ORG 19
PY  - 1969///]
CY  - [Paris]
PB  - OECD
KW  - Education, Secondary
KW  - Education
N1  - Bibliographical footnotes
ER  -