Linked Data Explorerhttp://worldcat.org/entity/work/id/6330937
The personalized system of instruction : an educational alternative
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- http://id.loc.gov/authorities/subjects/sh85029483
- http://id.worldcat.org/fast/968945
- http://experiment.worldcat.org/entity/work/data/6330937#Topic/enseignement_innovations
- http://id.worldcat.org/fast/872725
- http://id.worldcat.org/fast/903483
- http://id.loc.gov/authorities/subjects/sh85064853
- http://id.loc.gov/authorities/subjects/sh85107307
- http://id.worldcat.org/fast/970355
- http://id.loc.gov/authorities/subjects/sh85065691
- http://id.worldcat.org/fast/1078691
- http://experiment.worldcat.org/entity/work/data/6330937#Topic/individueel_onderwijs
- http://id.worldcat.org/fast/885382
- http://id.loc.gov/authorities/subjects/sh85034895
- http://id.loc.gov/authorities/subjects/sh85041127
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- "Electronic books"@en