Search for: [Abstract = "\- the work in small groups according to three variants\: l. all the groups solve the same problem, 2. each group works on some partial problem, being a part of the main problem, 3. the individual pupil's homework is checked in the classroom by the group\;"]
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Słowiński, Lech (1922-2005) Margul, Elżbieta - tł.
1976
artykuł