Development of a theory about change in education / Leon van Gelder and Albert van den Berg
| rdfs:label | "Development of a theory about change in education / Leon van Gelder and Albert van den Berg" |
| schema:name | "Development of a theory about change in education" |
| schema:author | Gelder, Leon van (1913-1981) |
| schema:contributor | Berg, Albertus Hermannus van den (1937-) |
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schema:same |
<http:/ |
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schema:main |
<https:/ |
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"1969" |
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schema:in |
"en" |
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schema:number |
33 |
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<https:/ |