Pedagogical Digital Library contains 7 601 digital objects
Search for: [Creator = "Piaget, Jean \(1896\-1980\)"]
Number of results: 2
Piaget, Jean (1896-1980) Cartalis, E. Pini-Suchodolska, Jadwiga (1901-1976) (Tł.)
[ca 1929]
książka
Piaget, Jean (1896-1980) Ziembińska, Maria (Tł.)
[ca 1930]
książka
