900 - History & geography 600 - Technology 503 620 - Engineering & allied operations 488 700 - The arts; fine & decorative arts 408 333 - Economics of land & energy 264 380 - Commerce, communications & transportation 173 more ... 000 - Computer science, information & general works 151 363 - Other social problems & services 113 330 - Economics 101 610 - Medicine & health 90 140 - Specific philosophical schools 84 580 - Plants (Botany) 66 576 - Genetics & evolution 61 720 - Architecture 51 320 - Political science 49 370 - Education 42 340 - Law 38 500 - Natural sciences & mathematics 35 800 - Literature & rhetoric 33 551 - Geology, hydrology & meteorology 30 400 - Language 24 630 - Agriculture & related technologies 22 414 - Phonology & phonetics 19 530 - Physics 18 658 - General management 18 300 - Social sciences 17 304 - Factors affecting social behavior 12 200 - Religion 11 770 - Photography, photographs & computer art 10 780 - Music 10 410 - Linguistics 9 100 - Philosophy & psychology 8 170 - Ethics 8 581 - Specific topics in natural history 8 301 - Sociology & anthropology 7 361 - Social problems & social welfare in general 7 540 - Chemistry & allied sciences 7 550 - Earth sciences 4 120 - Epistemology, causation & humankind 3 297 - Islam, Babism & Bahai Faith 3 612 - Human physiology 3 657 - Accounting 3 160 - Logic 2 360 - Social problems & services; associations 2 296 - Judaism 1 336 - Public finance 1 650 - Management & auxiliary services 1 see all ... less ...

English 569 Italian 5 Spanish 4 German 2

Directory of Open Access Books 590 OAPEN 13 Digi20 1 Nomos 1

Baños Navarro, Raúl 5 Ganahl, Simon 5 Hernández-Callejo, Luis 5 Schabowicz, Krzysztof 5 Afonso, Alexandre M. 4 Kim, DaeEun 4 more ... Lai, Chun Sing 4 Lytras, Miltiadis 4 Montoya, Francisco G. 4 Nesmachnow, Sergio 4 Amirkhanian, Serji 3 Chui, Kwok Tai 3 Faroughi, Salah Aldin 3 Ferrás, Luís L. 3 Gallardo Saavedra, Sara 3 Hoff, Inge 3 Michaelides, Silas 3 Pinto Fernandes, Célio 3 Rodríguez-Gonzálvez, Pablo 3 Sparavigna, Amelia Carolina 3 Wu, Shaopeng 3 Xiao, Yue 3 Yue, Yang 3 Zhou, Jian 3 Abd-Alhameed, Raed A 2 Antani, Sameer 2 Antuchevi?ien?, Jurgita 2 Armaghani, Danial Jahed 2 Bak-Jensen, Birgitte 2 Bao, Haijun 2 Barsch, Sebastian 2 Bartelheim, Martin 2 Beier, Mirijam 2 Blaabjerg, Frede 2 Bordogna, Gloria 2 Borge Diez, David 2 Brandenburg, Daniel 2 Camacho, Ana M. 2 Cattani, Carlo 2 Chang, Chein-I 2 Colmenar Santos, Antonio 2 Corchado, Juan M. 2 Creaco, Enrico 2 Davari, Pooya 2 Dong, Zhekang 2 Dragicevic, Tomislav 2 Fang, Cheng 2 Farahnakian, Fahimeh 2 Faria, Pedro 2 Gonzalez-Aguilera, Diego 2 Hasanipanah, Mahdi 2 Heikkonen, Jukka 2 Hjertager, Bjørn 2 Howanitz, Gernot 2 Jafarzadeh, Pouya 2 Jiang, Yujing 2 Kalhori, Hamed 2 Kim, Byung-Gyu 2 Konda Gokuldoss, Prashanth 2 Królczyk, Grzegorz 2 Leonowicz, Zbigniew 2 Leva, Sonia 2 Liu, Richeng 2 López de Lacalle, Luis Norberto 2 Mariani, Stefano 2 Moshou, Dimitrios 2 Nessel, Bianka 2 Neumann, Daniel 2 Nikolaou, Ioannis 2 Ochoa, Jorge 2 Omicini, Andrea 2 Ordieres Meré, Joaquin 2 Pan, Zhongqi 2 Park, Sung 2 Parton, Nigel 2 Qi, Donglian 2 Qiu, Canxing 2 Rajaraman, Sivaramakrishnan 2 Ramos, Helena M. 2 Rosales Asensio, Enrique 2 Rubio, Eva M. 2 Shen, Liyin 2 Song, Meiping 2 Taddei, Elena 2 Tran, Yvonne 2 Tsagarakis, Konstantinos P. 2 Tsang, Kim-Fung 2 Vale, Zita 2 Villalba-Diez, Javier 2 Visvizi, Anna 2 Wang, Yinhai 2 Wang, Zhi 2 Whang, Mincheol 2 Yigitcanlar, Tan 2 Zavadskas, Edmundas Kazimieras 2 Zheng, Yue 2 van Norden, Jörg 2 ?erný, Robert 1 Abbasi, Qammer Hussain 1 Abbod, Maysam 1 see all ... less ...

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