Items where Subject is "520 Astronomi"

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Klasifikasi Desimal Dewey Edisi 23 (Bahasa Indonesia) (2390)
- 500 – Ilmu Pengetahuan (22)
  - 520 Astronomi (2)
    - 520 Astronomi dan ilmu-ilmu terkait (2)
    - 521 Mekanika angkasa (1)

Number of items at this level: 0.

This list was generated on Fri Nov 21 13:54:18 2025 UTC.