Items where Subject is "500 Natural sciences and mathematics > 507 Education, reseach, related topics" - bkg

Dewey Decimal Classification (DDC) (2)
- 500 Natural sciences and mathematics (2)
  - 507 Education, reseach, related topics (2)
    - 507.2 Research (1)
    - 507.8 Use of apparatus and equipment in study and teaching (1)

Number of items at this level: 0.

This list was generated on Thu Mar 4 17:40:40 2021 WIB.