Autor
Białek, Ireneusz
1
Bylica, Marta
1
Gamoran, Adam, 1957-
1
Kaszyński, Hubert
1
Kingsley, Jan
1
National Research Council (Spojené státy americké). Board on International Comparative Studies in Education
1
National Research Council (Spojené státy americké). Center for Education. Board on Testing and Assessment
1
Porter, Andrew C.
1
Sendur, Dagmara
1
Szczocarz, Urszula
1
Szok-Ciechacka, Lucyna Małgorzata
1
Wankel, Charles, 1948-
1