Classification
001 - Knowledge
300 - Social sciences
41
330 - Economics
2
500 - Natural sciences & mathematics
2
658 - General management
2
000 - Computer science, information & general works
1
331 - Labor economics
1
332 - Financial economics
1
380 - Commerce, communications & transportation
1
510 - Mathematics
1
519 - Probabilities & applied mathematics
1
570 - Life sciences; biology
1