000 - Computer science, information & general works 140 - Specific philosophical schools 330 - Economics 363 - Other social problems & services 380 - Commerce, communications & transportation 700 - The arts; fine & decorative arts 13 more ... 333 - Economics of land & energy 10 600 - Technology 8 610 - Medicine & health 8 320 - Political science 7 551 - Geology, hydrology & meteorology 7 576 - Genetics & evolution 6 620 - Engineering & allied operations 5 720 - Architecture 5 900 - History & geography 5 370 - Education 4 414 - Phonology & phonetics 3 580 - Plants (Botany) 3 581 - Specific topics in natural history 3 657 - Accounting 3 304 - Factors affecting social behavior 2 340 - Law 2 400 - Language 2 630 - Agriculture & related technologies 2 658 - General management 2 160 - Logic 1 301 - Sociology & anthropology 1 410 - Linguistics 1 500 - Natural sciences & mathematics 1 530 - Physics 1 540 - Chemistry & allied sciences 1 550 - Earth sciences 1 see all ... less ...

English 20

Directory of Open Access Books 20

Azevedo, Susana Garrido 1 Barrientos, Antonio 1 Bi, Zhuming 1 Chen, Jie 1 Cuni-Sanchez, Aida 1 Da Xu, Li 1 more ... Farooque, Aitazaz A. 1 Ferri, Elida Nora 1 Gan, Muye 1 Gao, Yuan 1 Gascón, José Luis Gurría 1 González-Vila Puchades, Laura 1 Gómez, Víctor Alonso 1 Gómez-Losada, Álvaro 1 Hernández-Callejo, Luis 1 Jin, Shaofei 1 Jin, Xue-Bo 1 Leite, Vicente 1 Luhar, Ashok 1 Lytras, Miltiadis 1 Ma, Li 1 Maestosi, Paola Clerici 1 Marchant, Rob 1 Masot, Ana Nieto 1 Matias, João Carlos de Oliveira 1 Nesmachnow, Sergio 1 Ordóñez de Pablos, Patricia 1 Ouyang, Puren 1 Pallante, Giacomo 1 Pimentel, Carina 1 Pintilii, Radu-Daniel 1 Pires, José Carlos Magalhães 1 Ramírez, Omar 1 Roldán Gómez, Juan Jesús 1 Salvatori, Elisabetta 1 Shamshiri, Redmond R. 1 Shan, Zhengying 1 Sultan, Muhammad 1 Vlasov, Dmitry 1 Yan, Xiaodong 1 Yang, Jia 1 Yigitcanlar, Tan 1 Zhang, Ting 1 Zhang, Yingnan 1 Zhou, Qian 1 Zhou, Yuguang 1 de Andres Sanchez, Jorge 1 see all ... less ...

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