Librería Samer Atenea
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Originally published in 1981. This is a coherent theory of comparative education research using ideal typical normative models to illustrate how comparative educationists investigate different social worlds.