300 - Social sciences 333 - Economics of land & energy 600 - Technology 900 - History & geography 610 - Medicine & health 11 620 - Engineering & allied operations 11 more ... 363 - Other social problems & services 7 320 - Political science 6 330 - Economics 5 370 - Education 5 630 - Agriculture & related technologies 5 100 - Philosophy & psychology 4 140 - Specific philosophical schools 4 380 - Commerce, communications & transportation 4 700 - The arts; fine & decorative arts 4 170 - Ethics 3 576 - Genetics & evolution 3 000 - Computer science, information & general works 2 301 - Sociology & anthropology 2 340 - Law 2 580 - Plants (Botany) 2 720 - Architecture 2 800 - Literature & rhetoric 2 304 - Factors affecting social behavior 1 350 - Public administration & military science 1 400 - Language 1 500 - Natural sciences & mathematics 1 540 - Chemistry & allied sciences 1 581 - Specific topics in natural history 1 see all ... less ...

English 11

Directory of Open Access Books 11 OAPEN 3

Gonzalez-Aguilera, Diego 2 Rodríguez-Gonzálvez, Pablo 2 Abelha, Marta 1 Amoateng, Acheampong 1 Ba, Alpha 1 Biney, Elizabeth 1 more ... Chen, Ruishan 1 Chigbu, Uchendu Eugene 1 Chui, Kwok Tai 1 D'Adamo, Idiano 1 Daré, William's 1 Ehrenstein, Véra 1 Engelschalt, Julia 1 Fernandes, Sandra Raquel Gonçalves 1 Ferreira-Oliveira, Ana Teresa 1 Lemberg, Jason 1 Lytras, Miltiadis 1 Maibaum, Arne 1 Milyaeva, Sveta 1 Möllers, Nina 1 Neyland, Daniel 1 Rothenhäusler, Andie 1 Visvizi, Anna 1 Wagner, Wolf-Rüdiger 1 Ye, Chao 1 Zachmann, Karin 1 see all ... less ...

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