TY  - BOOK
AU  - Sergei N. Pozdniakov, Valentina Dagien?
TI  - Informatics in Schools. New Ideas in School Informatics
SN  - 9783030337599
PB  - Springer
UR  - https://link.springer.com/openurl?genre=book&isbn=978-3-030-33759-9
ER  -