Bǣp čhamlō̜ng phon phư̄a kānwangphǣn kānsưksā
แบบจำลองผลเพื่อการวางแผนการศึกษา

In Copyright

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Reason for copyright status:

Until 2050 [Created/Published Date + 70 Years]

Copyright status was determined using the following information:

Material type:

Literary, dramatic or musical work

Published status:

Published

Publication date:

1980

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