International study of achievement in mathematics a comparison of twelve countries

Opis bibliograficzny
1. autor:	Husen, Torsten 1916-
Korporacja:	International Project for the Evaluation of Educational Achievement
Format:	Książka
Język:	English
Wydane:	Stockholm, New York Almqvist & Wiksell Wiley c[1967]
Hasła przedmiotowe:	Mathematical ability. Mathematics > Study and teaching (Secondary) Comparative education.