140 - Specific philosophical schools 333 - Economics of land & energy 363 - Other social problems & services 380 - Commerce, communications & transportation 600 - Technology 620 - Engineering & allied operations 10 more ... 330 - Economics 8 700 - The arts; fine & decorative arts 7 900 - History & geography 7 000 - Computer science, information & general works 5 551 - Geology, hydrology & meteorology 5 576 - Genetics & evolution 5 610 - Medicine & health 5 320 - Political science 4 630 - Agriculture & related technologies 4 720 - Architecture 4 800 - Literature & rhetoric 4 370 - Education 3 580 - Plants (Botany) 3 170 - Ethics 2 300 - Social sciences 2 304 - Factors affecting social behavior 2 340 - Law 2 581 - Specific topics in natural history 2 657 - Accounting 2 658 - General management 2 336 - Public finance 1 361 - Social problems & social welfare in general 1 500 - Natural sciences & mathematics 1 see all ... less ...

English 15

Directory of Open Access Books

Gonzalez-Aguilera, Diego 2 Rodríguez-Gonzálvez, Pablo 2 Aksoy, Hafzullah 1 Azevedo, Susana Garrido 1 Botti, Vicent 1 Dyshlovoy, Sergey A. 1 more ... Farooque, Aitazaz A. 1 Fuinhas, José Alberto 1 Gatto, Andrea 1 Gómez, Víctor Alonso 1 Halkos, George 1 Hernández-Callejo, Luis 1 Honecker, Friedemann 1 Julian, Vicente 1 Kamruzzaman, Md 1 Koengkan, Matheus 1 Leite, Vicente 1 Lytras, Miltiadis 1 Mahé, Gil 1 Mariani, Stefano 1 Matias, João Carlos de Oliveira 1 Meddi, Mohamed 1 Nesmachnow, Sergio 1 Omicini, Andrea 1 Ordóñez de Pablos, Patricia 1 Orosa, José A. 1 Pimentel, Carina 1 Sadik-Zada, Elkhan Richard 1 Shamshiri, Redmond R. 1 Sultan, Muhammad 1 Takebayashi, Hideki 1 Yigitcanlar, Tan 1 Yuan, Jihui 1 Zhou, Yuguang 1 de Barros Santiago, Renato Filipe 1 see all ... less ...

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