Items where Subject is "520 Astronomi"

[up]

Klasifikasi Desimal Dewey Edisi 23 (Bahasa Indonesia) (2409)
- 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 Thu Feb 12 00:00:39 2026 UTC.