TY  - BOOK
T1  - Ability Grouping and Scholastic Achievement : Report on a Five-year Follow-up Study in Stockolm
T2  - Acta Universitatis Stockholmiensis. Stockholm Studies in Philosophy ;
A1  - Svensson, Nils- Eric
PP  - Stockholm
PB  - Almquist & Wiksell
YR  - 1962
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.156883
OP  - 236
ER  -