333 - Economics of land & energy 370 - Education 600 - Technology 700 - The arts; fine & decorative arts 900 - History & geography 620 - Engineering & allied operations 17 more ... 330 - Economics 15 380 - Commerce, communications & transportation 11 363 - Other social problems & services 10 000 - Computer science, information & general works 8 320 - Political science 7 610 - Medicine & health 7 720 - Architecture 5 140 - Specific philosophical schools 3 340 - Law 3 580 - Plants (Botany) 3 800 - Literature & rhetoric 3 100 - Philosophy & psychology 2 530 - Physics 2 551 - Geology, hydrology & meteorology 2 576 - Genetics & evolution 2 581 - Specific topics in natural history 2 658 - General management 2 170 - Ethics 1 200 - Religion 1 300 - Social sciences 1 304 - Factors affecting social behavior 1 400 - Language 1 630 - Agriculture & related technologies 1 780 - Music 1 see all ... less ...

English 25

Directory of Open Access Books 25

Bao, Haijun 2 Camacho, Ana M. 2 Lytras, Miltiadis 2 Ochoa, Jorge 2 Rubio, Eva M. 2 Shen, Liyin 2 more ... Visvizi, Anna 2 Adamowski, Jan Franklin 1 Ali, Syed Mithun 1 Battistini, Simone 1 Cai, Yuzhuo 1 Chen, Qiongqiong 1 Chew, Chengzi 1 Chui, Kwok Tai 1 Fernández-Panadero, Carmen 1 Gibert, Karina 1 González Lezcano, Roberto Alonso 1 Granero-Gallegos, Antonio 1 Graziani, Filippo 1 Han, Seong-Tae 1 Iglesias, Ana 1 Kabir, Golam 1 Ma, Jinyuan 1 Mariani, Stefano 1 Martin, Sergio 1 Mayer, Igor 1 Montoya, Francisco G. 1 Morato, Jorge 1 Ngo, Trung Dung 1 O'Brien, Patricia 1 Omicini, Andrea 1 Paul, Sanjoy Kumar 1 Perea Moreno, Alberto Jesús 1 Pontani, Mauro 1 Ramos, Delfina 1 Richards, Russell 1 Robertson, Stephen 1 Sahin, Oz 1 Sanchez-Cuadrado, Sonia 1 Skrzypkowski, Krzysztof 1 Ullah, Fahim 1 Valls, Aida 1 Wals, Arjen 1 Yang, Jong-Ryul 1 see all ... less ...

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