Development of a theory about change in education / Leon van Gelder and Albert van den Berg
type: Book
type: CreativeWork
type: ProductModel
issued: 1969
author: p068592299
contributor: p068596758
language: en
main entity of page: https://data.bibliotheken.nl/.well-known/genid/577e89bb5711975812af543865a9da37
name: Development of a theory about change in education
number of pages: 33