Items where Subject is "550 Ilmu bumi dan geologi"

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Klasifikasi (1)
- 500 – Ilmu Pengetahuan (1)
  - 550 Ilmu bumi dan geologi (1)
    - 550 Ilmu bumi (1)
    - 551 Geologi, hidrologi, meteorologi (1)

Number of items at this level: 0.

This list was generated on Tue Jun 30 21:53:27 2026 UTC.