600 - Technology 900 - History & geography 620 - Engineering & allied operations 485 700 - The arts; fine & decorative arts 366 333 - Economics of land & energy 246 380 - Commerce, communications & transportation 149 more ... 000 - Computer science, information & general works 132 363 - Other social problems & services 100 330 - Economics 81 610 - Medicine & health 79 580 - Plants (Botany) 64 140 - Specific philosophical schools 60 576 - Genetics & evolution 56 720 - Architecture 48 500 - Natural sciences & mathematics 33 340 - Law 32 320 - Political science 30 370 - Education 27 551 - Geology, hydrology & meteorology 23 800 - Literature & rhetoric 22 630 - Agriculture & related technologies 19 400 - Language 18 414 - Phonology & phonetics 17 530 - Physics 17 658 - General management 16 300 - Social sciences 8 304 - Factors affecting social behavior 8 540 - Chemistry & allied sciences 7 170 - Ethics 6 361 - Social problems & social welfare in general 5 410 - Linguistics 5 770 - Photography, photographs & computer art 5 550 - Earth sciences 4 581 - Specific topics in natural history 4 780 - Music 4 100 - Philosophy & psychology 3 160 - Logic 2 200 - Religion 2 612 - Human physiology 2 657 - Accounting 2 120 - Epistemology, causation & humankind 1 297 - Islam, Babism & Bahai Faith 1 301 - Sociology & anthropology 1 336 - Public finance 1 650 - Management & auxiliary services 1 see all ... less ...

English 500

Directory of Open Access Books 502 OAPEN 1

Baños Navarro, Raúl 5 Hernández-Callejo, Luis 5 Schabowicz, Krzysztof 5 Afonso, Alexandre M. 4 Kim, DaeEun 4 Lai, Chun Sing 4 more ... 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 Blaabjerg, Frede 2 Bordogna, Gloria 2 Borge Diez, David 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 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 Nikolaou, Ioannis 2 Ochoa, Jorge 2 Omicini, Andrea 2 Ordieres Meré, Joaquin 2 Pan, Zhongqi 2 Park, Sung 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 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 Zavadskas, Edmundas Kazimieras 2 Zheng, Yue 2 ?erný, Robert 1 Abbasi, Qammer Hussain 1 Abbod, Maysam 1 Abrams, Michael J. 1 Acarman, Tankut 1 Acquah, Moses Amoasi 1 Acácio de Andrade, Alexandre 1 Adamchuk, Viacheslav 1 Agarwal, Ramesh 1 Agnew, Brian 1 Akhloufi, Moulay A. 1 Alario-Hoyos, Carlos 1 Alavi, Amir 1 Alcayde, Alfredo 1 Ali, Syed Mithun 1 see all ... less ...

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