Classification
DAA - Information technology - reference books
3
HAA - Medicine - reference books
3
LAA - Biology - reference books
3
PAA - Physics - reference books
3
TAA - Engineering sciences - reference books
CAA - Chemistry - reference books
2
EAA - Energy - reference books
2
GAA - Geosciences - reference books
2
YAA - Law, economy, social affairs - reference books
1