http://dewey.info/scheme/edition/e23/ en
338.4 Secondary industries and services
338.47 Services and specific products
338.4700029 Service directories 338.47004 Computer industry 338.47005276 Web site development industry 338.47005376 Internet software industry 338.470253 Abstracting and indexing services industry 338.470705 Publishing industry 338.4730638 Retirement industry 338.4730674 Prostitution--economics 338.47355 Defense industries 338.473621 Medical economics 338.4736375 Undertaking (Mortuary)--economics 338.47374013 Education and training services industry 338.473926 Dating services--economics 338.4754759044242 Chelates industry 338.4758485 Spanish moss industry 338.4759 Wildlife watching industry 338.47613713 Bodybuilding industry 338.476151 Drugs (Pharmaceuticals)--production economics 338.476153 Organic drug industry 338.476157 Growth factors industry 338.4761652606 Psoriasis--therapy--economics 338.47616865061 Smoking cessation products--industry 338.476205 Nanotechnology--economics 338.47621381 Electronic equipment industry 338.4762138413 Radio components--economics 338.4762138933 Jukeboxes--industry 338.47621399 Computer vision equipment industry 338.47621885 Sealing devices--industry 338.476234 Weapons industry 338.4762382 Shipbuilding industry 338.4762383 Shipyards--production economics 338.47624 Construction industry 338.476252 Rolling stock--production economics 338.4762773 Dredging industry 338.476289225 Fire detectors--industry 338.476292 Automotive industry 338.47629478 Launch complexes--industry 338.47637 Dairy processing industry 338.4764794 Hotel industry 338.4764795 Food services industry 338.4766 Chemical industries 338.4767 Factories--manufacturing industries 338.4768 Handicraft industries--economics 338.4769 Building--production economics 338.477 Art industry 338.4791 Hospitality industry 338.4792992 Flag industry
Dewey Decimal Classification
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