140 - Specific philosophical schools 330 - Economics 333 - Economics of land & energy 380 - Commerce, communications & transportation 600 - Technology 700 - The arts; fine & decorative arts 9 more ... 363 - Other social problems & services 8 000 - Computer science, information & general works 7 620 - Engineering & allied operations 7 610 - Medicine & health 6 320 - Political science 5 630 - Agriculture & related technologies 4 800 - Literature & rhetoric 4 900 - History & geography 4 370 - Education 3 400 - Language 3 551 - Geology, hydrology & meteorology 3 576 - Genetics & evolution 3 658 - General management 3 304 - Factors affecting social behavior 2 500 - Natural sciences & mathematics 2 581 - Specific topics in natural history 2 657 - Accounting 2 336 - Public finance 1 361 - Social problems & social welfare in general 1 540 - Chemistry & allied sciences 1 580 - Plants (Botany) 1 720 - Architecture 1 see all ... less ...

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Directory of Open Access Books

Narzisi, Antonio 2 Azevedo, Susana Garrido 1 Buchanan, Christy 1 Chong, Peter 1 Farooque, Aitazaz A. 1 Fuinhas, José Alberto 1 more ... Gatto, Andrea 1 Glatz, Terese 1 Graham, Mark 1 Gómez, Víctor Alonso 1 Halkos, George 1 Hernández-Callejo, Luis 1 Kamruzzaman, Md 1 Koengkan, Matheus 1 Leite, Vicente 1 Lytras, Miltiadis 1 Matias, João Carlos de Oliveira 1 Nesmachnow, Sergio 1 Ordóñez de Pablos, Patricia 1 Pimentel, Carina 1 Sadik-Zada, Elkhan Richard 1 Sarkar, Biswajit 1 Sarkar, Mitali 1 Shamshiri, Redmond R. 1 Sultan, Muhammad 1 Sætra, Henrik Skaug 1 Yigitcanlar, Tan 1 Zhou, Yuguang 1 de Barros Santiago, Renato Filipe 1 see all ... less ...

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