Classification
000 - Computer science, information & general works
302 - Social interaction
006 - Special computer methods
4
331 - Labor economics
4
381 - Commerce
2
384 - Communications; telecommunication
2
150 - Psychology
1
155 - Differential & developmental psychology
1
300 - Social sciences
1
330 - Economics
1
380 - Commerce, communications & transportation
1
658 - General management
1
745 - Decorative arts
1
770 - Photography, photographs & computer art
1
771 - Techniques, equipment & materials
1