Classification
362 - Social welfare problems & services
616 - Diseases
8
610 - Medicine & health
7
658 - General management
6
361 - Social problems & social welfare in general
4
300 - Social sciences
2
330 - Economics
2
338 - Production
2
001 - Knowledge
1
155 - Differential & developmental psychology
1
331 - Labor economics
1
333 - Economics of land & energy
1
381 - Commerce
1
500 - Natural sciences & mathematics
1