000 - Computer science, information & general works 600 - Technology 700 - The arts; fine & decorative arts 265 620 - Engineering & allied operations 227 900 - History & geography 180 333 - Economics of land & energy 178 more ... 380 - Commerce, communications & transportation 100 140 - Specific philosophical schools 89 330 - Economics 89 610 - Medicine & health 73 363 - Other social problems & services 64 576 - Genetics & evolution 62 500 - Natural sciences & mathematics 49 400 - Language 42 370 - Education 41 720 - Architecture 41 300 - Social sciences 33 320 - Political science 29 580 - Plants (Botany) 29 100 - Philosophy & psychology 27 658 - General management 27 630 - Agriculture & related technologies 26 530 - Physics 25 410 - Linguistics 23 540 - Chemistry & allied sciences 23 340 - Law 21 170 - Ethics 18 800 - Literature & rhetoric 17 551 - Geology, hydrology & meteorology 13 414 - Phonology & phonetics 11 612 - Human physiology 9 780 - Music 9 331 - Labor economics 8 361 - Social problems & social welfare in general 8 200 - Religion 7 770 - Photography, photographs & computer art 6 304 - Factors affecting social behavior 5 615 - Pharmacology & therapeutics 5 301 - Sociology & anthropology 4 360 - Social problems & services; associations 4 581 - Specific topics in natural history 4 120 - Epistemology, causation & humankind 3 160 - Logic 3 657 - Accounting 3 350 - Public administration & military science 2 364 - Criminology 2 520 - Astronomy & allied sciences 2 550 - Earth sciences 2 374 - Adult education 1 see all ... less ...

English 544 Italian 9 Spanish 7 German 1 No linguistic content 1 Norwegian 1

Directory of Open Access Books 542 O'Reilly 28 OAPEN 22 National Center for Biotechnology Information 1 Nomos 1

Lytras, Miltiadis 4 Baños Navarro, Raúl 3 Hjertager, Bjørn 3 Khorsand, Bardia 3 Montoya, Francisco G. 3 Serrano, Martín 3 more ... Shamshiri, Redmond R. 3 Soldatos, John 3 Sparavigna, Amelia Carolina 3 Sultan, Muhammad 3 Treanta, Savin 3 Afonso, Alexandre M. 2 Ahamed, Md Shamim 2 Al-Machot, Fadi 2 Altan, Haşim 2 Apostolidis, Asteris 2 Bacciocchi, Michele 2 Baloian, Nelson 2 Beckert, Franziska 2 Bentarzi, Hamid 2 Boné-Andrade, Miguel Fabricio 2 Borst, Maaik 2 Bühlmann, Vera 2 Celi-Párraga, Ricardo Javier 2 Cheng, Wen-Chieh 2 Chui, Kwok Tai 2 Danowski, Patrick 2 Di Gregorio, Raffaele 2 Dombrowski, Eva-Maria 2 Drożdż, Stanisław 2 Ducki, Antje 2 Dudek, Grzegorz 2 Farooq, Muhammad 2 Fritzen, Felix 2 Fuentes, Sigfredo 2 Georgantzinos, Stelios K. 2 Gocheva-Ilieva, Snezhana 2 Hajian, Aram 2 Herold, Rebecca 2 Hertzog, Christine 2 Ingram, David 2 Inoue, Tomoo 2 Juan, Angel A. 2 JÄNTSCHI, Lorentz 2 Kim, Euntai 2 Konda Gokuldoss, Prashanth 2 Kwapień, Jarosław 2 Kyamakya, Kyandoghere 2 Leach, Tessa G. 2 Lee, Sangyoun 2 Lorincz, Josip 2 Luther, Wolfram 2 Lynn, Theo 2 López de Lacalle, Luis Norberto 2 Malvè, Mauro 2 Man, Ka Lok 2 Manning, Erin 2 Marichal, José 2 Martek, Igor 2 Massoudi, Mehrdad 2 Maurizio Vivarelli 2 Missomelius, Petra 2 Mooney, John G. 2 Mora-Olivero, Aldo Patricio 2 Morik, Katharina 2 Mosa, Ahmad Haj 2 Moshou, Dimitrios 2 Munster , Anna 2 Noguchi, Masa 2 Ong, Dominic E.L. 2 Pamučar, Dragan 2 Pantelakis, Spiros 2 Park, Kang Ryoung 2 Park, Sung 2 Pelt, Maurice 2 Recioui, Abdelmadjid 2 Roberto Delle Donne 2 Sarmiento-Saavedra, Juan Carlos 2 Shen, Wen Zhong 2 Stavning Thomsen, Bodil Marie 2 Sudmann, Andreas 2 Verhulst, Stefaan G. 2 Visvizi, Anna 2 Walton, Graham 2 Wang, Wei 2 Wang, Zhi 2 Werner, Frank 2 Whang, Mincheol 2 Wu, Yue 2 Young, Andrew 2 Zavadskas, Edmundas Kazimieras 2 Zhou, Hannah 2 Zylinska, Joanna 2 de Boer, Robert J. 2 Abbasi, Qammer Hussain 1 Abdelnour-Nocera, Jose 1 Abdullahi, Ismail 1 Abelson, Harold 1 Abolghasemi, Vahid 1 Achillas, Charisios 1 see all ... less ...

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