Helle Houkjær
Helle Houkjær er registreret som ophav eller bidragsyder til 14 udgivelser i perioden 1999 til 2025. Udgivelserne dækker emner som fx solsystemet, kemiske stoffer og allergifremkaldende stoffer.
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Topics Helle Houkjær often explores
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Published in undefined. Works are grouped by the oldest registered edition, but the work may have been created earlier.
Published in undefined. Works are grouped by the oldest registered edition, but the work may have been created earlier.
Published in undefined. Works are grouped by the oldest registered edition, but the work may have been created earlier.