Classification
500 - Natural sciences & mathematics
9
610 - Medicine & health
6
330 - Economics
4
300 - Social sciences
3
338 - Production
3
519 - Probabilities & applied mathematics
3
658 - General management
3
616 - Diseases
2
362 - Social welfare problems & services
1
384 - Communications; telecommunication
1
510 - Mathematics
1
613 - Personal health & safety
1
619 - [Unassigned]
1
620 - Engineering & allied operations
1