140 - Specific philosophical schools 580 - Plants (Botany) 800 - Literature & rhetoric 700 - The arts; fine & decorative arts 6 363 - Other social problems & services 5 000 - Computer science, information & general works 4 more ... 380 - Commerce, communications & transportation 4 610 - Medicine & health 4 333 - Economics of land & energy 3 551 - Geology, hydrology & meteorology 3 600 - Technology 3 630 - Agriculture & related technologies 3 170 - Ethics 2 300 - Social sciences 2 304 - Factors affecting social behavior 2 340 - Law 2 576 - Genetics & evolution 2 620 - Engineering & allied operations 2 720 - Architecture 2 900 - History & geography 2 320 - Political science 1 330 - Economics 1 336 - Public finance 1 361 - Social problems & social welfare in general 1 414 - Phonology & phonetics 1 581 - Specific topics in natural history 1 612 - Human physiology 1 658 - General management 1 see all ... less ...

English

Directory of Open Access Books 8

Fabiani, Roberto 2 Gonzalez-Aguilera, Diego 2 Rodríguez-Gonzálvez, Pablo 2 Arain, Altaf 1 Gołdyn, Ryszard 1 Halkos, George 1 more ... Klimaszyk, Piotr 1 Li, Qiang 1 Meng, Fan-Rui 1 Pisaric, Michael 1 Wu, Yanyou 1 see all ... less ...

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