Classification
006 - Special computer methods
300 - Social sciences
302 - Social interaction
3
331 - Labor economics
3
380 - Commerce, communications & transportation
384 - Communications; telecommunication
3
500 - Natural sciences & mathematics
3
658 - General management
3
330 - Economics
2
338 - Production
2
670 - Manufacturing
2
028 - Reading & use of other information media
1