School organization and school achievement : a study based on achievement in mathematics in twelve countries /

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Prif Awdur: Postlethwaite, T. Neville
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: New York : Wiley, 1967.
Pynciau:
Tabl Cynhwysion:
  • Data "collected by the International Project for the Evaluation of Educational Achievement (IEA)".