TY  - BOOK
AU  - Brunswic,Etienne
ED  - Seminar on the Development of School Textbooks and Teaching Materials
TI  - Report of and IIEP seminar Paris, 27-30 november 1990
AV  - LB2909 S4.7
PY  - 1991///
CY  - París
PB  - IIEP, UNESCO
KW  - Libros de texto
KW  - Congresos
ER  -