333 - Economics of land & energy 700 - The arts; fine & decorative arts 600 - Technology 696 620 - Engineering & allied operations 503 000 - Computer science, information & general works 496 900 - History & geography 475 more ... 330 - Economics 367 363 - Other social problems & services 336 610 - Medicine & health 325 380 - Commerce, communications & transportation 276 140 - Specific philosophical schools 174 580 - Plants (Botany) 174 320 - Political science 171 530 - Physics 143 576 - Genetics & evolution 140 370 - Education 127 500 - Natural sciences & mathematics 121 551 - Geology, hydrology & meteorology 119 540 - Chemistry & allied sciences 105 720 - Architecture 79 340 - Law 75 630 - Agriculture & related technologies 75 414 - Phonology & phonetics 62 658 - General management 54 800 - Literature & rhetoric 53 100 - Philosophy & psychology 50 581 - Specific topics in natural history 42 300 - Social sciences 37 304 - Factors affecting social behavior 37 400 - Language 35 612 - Human physiology 24 170 - Ethics 19 200 - Religion 15 410 - Linguistics 14 780 - Music 14 657 - Accounting 11 297 - Islam, Babism & Bahai Faith 10 301 - Sociology & anthropology 10 361 - Social problems & social welfare in general 10 615 - Pharmacology & therapeutics 10 520 - Astronomy & allied sciences 9 770 - Photography, photographs & computer art 9 120 - Epistemology, causation & humankind 6 650 - Management & auxiliary services 4 350 - Public administration & military science 3 550 - Earth sciences 3 791 - Public performances 3 160 - Logic 2 360 - Social problems & services; associations 2 590 - Animals (Zoology) 2 336 - Public finance 1 see all ... less ...

English

Directory of Open Access Books 1,333 OAPEN 34 National Center for Biotechnology Information 3

Hernández-Callejo, Luis 9 González Lezcano, Roberto Alonso 6 Lytras, Miltiadis 6 Yigitcanlar, Tan 6 Bizon, Nicu 5 Nesmachnow, Sergio 5 more ... Afonso, Alexandre M. 4 Baños Navarro, Raúl 4 Faroughi, Salah Aldin 4 Ferrás, Luís L. 4 Gallardo Saavedra, Sara 4 Leonowicz, Zbigniew 4 Montoya, Francisco G. 4 Nastasi, Benedetto 4 Pinto Fernandes, Célio 4 Reza Pahlavani, Mohammad 4 Aldás Carrasco, Miguel Fernando 3 Amirkhanian, Serji 3 Armaghani, Danial Jahed 3 Arosio, Paolo 3 Assaf, Jean-Claude 3 Baptista, Paula 3 Blaabjerg, Frede 3 Camacho, Ana M. 3 Caponetto, Rosa Giuseppina 3 Carillo, Petronia 3 Corchado, Juan M. 3 Dippong, Thomas 3 Ferri, José Miguel 3 Fombuena Borràs, Vicent 3 Georgantzinos, Stelios K. 3 Hoff, Inge 3 Izuru Takewaki 3 Morik, Katharina 3 Nocera, Francesco 3 Rubio, Eva M. 3 Stankovic, Milan 3 Sultan, Muhammad 3 Visvizi, Anna 3 Wagner, Kay-Dietrich 3 Wagner, Nicole 3 Wu, Shaopeng 3 Xiao, Yue 3 Zhou, Jian 3 Abd-Alhameed, Raed A 2 Acierno, Domenico 2 Aelterman, Antonia 2 Ahamed, Md Shamim 2 Alavi, Amir 2 Almusaed, Amjad 2 Ambrosino, Fabrizio 2 Andersen, Lisa 2 Antuchevičienė, Jurgita 2 Anvari-Moghaddam, Amjad 2 Audigé, Laurent 2 Babie, Paul 2 Baboli, Mostafa 2 Baleanu, Dumitru 2 Bao, Haijun 2 Beyer, Thomas 2 Bonenberg, Wojciech 2 Bracale, Antonio 2 Bracken, Paul 2 Brida, Peter 2 Bruning, Oliver 2 Cai, Yuzhuo 2 Calabrò, Francesco 2 Cano-Ortega, Antonio 2 Ceccarelli, Marco 2 Cesano, Federico 2 Chamoso, Pablo 2 Chan, Emily Ying Yang 2 Chang, Fi-John 2 Chang, Li-Chiu 2 Chang, Yen-Chiang 2 Chanyotha, Supitcha 2 Chen, Wei-Hsin 2 Cheng, Ta-Pei 2 Chiaro, Gabriele 2 Chui, Kwok Tai 2 Cirella, Giuseppe T. 2 Constantinou, Constantia 2 Creaco, Enrico 2 Cruz, Sérgio 2 Cui, Xiaohui 2 Davari, Pooya 2 De Domenico, Dario 2 De Wever, Bram 2 De la Prieta, Fernando 2 Della Spina, Lucia 2 Dragicevic, Tomislav 2 Ellahi, Rehmat 2 Enemark, Stig 2 Estoque, Ronald 2 Evangelista, Laura 2 Fang, Cheng 2 Fanti, Stefano 2 Faria, Pedro 2 Farooq, Muhammad 2 Favvata, Maria 2 see all ... less ...

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