140 - Specific philosophical schools 363 - Other social problems & services 380 - Commerce, communications & transportation 620 - Engineering & allied operations 700 - The arts; fine & decorative arts 600 - Technology 15 more ... 900 - History & geography 14 576 - Genetics & evolution 12 720 - Architecture 10 000 - Computer science, information & general works 9 610 - Medicine & health 9 333 - Economics of land & energy 8 330 - Economics 7 340 - Law 7 300 - Social sciences 6 500 - Natural sciences & mathematics 6 551 - Geology, hydrology & meteorology 6 580 - Plants (Botany) 6 320 - Political science 5 581 - Specific topics in natural history 5 370 - Education 4 540 - Chemistry & allied sciences 4 400 - Language 3 414 - Phonology & phonetics 3 612 - Human physiology 3 800 - Literature & rhetoric 3 170 - Ethics 2 630 - Agriculture & related technologies 2 658 - General management 2 200 - Religion 1 297 - Islam, Babism & Bahai Faith 1 301 - Sociology & anthropology 1 657 - Accounting 1 see all ... less ...

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Directory of Open Access Books 20

Baptista, Paula 3 Carillo, Petronia 3 Kim, DaeEun 3 Stankovic, Milan 3 Gonzalez-Aguilera, Diego 2 Rodríguez-Gonzálvez, Pablo 2 more ... Antonarakou, Assimina 1 Bi, Zhuming 1 Botti, Vicent 1 Da Xu, Li 1 Gaggi, Ombretta 1 Gao, Yuan 1 Gómez, Víctor Alonso 1 Hernández-Callejo, Luis 1 Jin, Xue-Bo 1 Julian, Vicente 1 Kamruzzaman, Md 1 Kontakiotis, George 1 Lanza, Stefania 1 Leite, Vicente 1 Manzoni, Pietro 1 Mariani, Stefano 1 Mercadé Melé, Pere 1 Molina Gómez, Jesús 1 Muzirafuti, Anselme 1 Nesmachnow, Sergio 1 Omicini, Andrea 1 Ouyang, Puren 1 Palazzi, Claudio 1 Paraforos, Dimitrios 1 Pintilii, Radu-Daniel 1 Randazzo, Giovanni 1 Ruban, Dmitry A. 1 Sousa, Maria José 1 Suleman, Fátima 1 Tchounwou, Paul B. 1 Yigitcanlar, Tan 1 see all ... less ...

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