140 - Specific philosophical schools 330 - Economics 363 - Other social problems & services 380 - Commerce, communications & transportation 000 - Computer science, information & general works 20 700 - The arts; fine & decorative arts 19 more ... 333 - Economics of land & energy 18 551 - Geology, hydrology & meteorology 14 600 - Technology 14 610 - Medicine & health 14 620 - Engineering & allied operations 10 900 - History & geography 10 320 - Political science 8 370 - Education 8 720 - Architecture 7 576 - Genetics & evolution 6 580 - Plants (Botany) 6 581 - Specific topics in natural history 5 658 - General management 4 340 - Law 3 400 - Language 3 414 - Phonology & phonetics 3 657 - Accounting 3 800 - Literature & rhetoric 3 300 - Social sciences 2 304 - Factors affecting social behavior 2 630 - Agriculture & related technologies 2 160 - Logic 1 170 - Ethics 1 200 - Religion 1 297 - Islam, Babism & Bahai Faith 1 301 - Sociology & anthropology 1 336 - Public finance 1 361 - Social problems & social welfare in general 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 33

Directory of Open Access Books 33

Yigitcanlar, Tan 2 Almiron, Núria 1 Avtzis, Dimitrios N. 1 Azevedo, Susana Garrido 1 Barrientos, Antonio 1 Bi, Zhuming 1 more ... Castro, Deborah 1 Chan, Emily Ying Yang 1 Chen, Jie 1 Cui, Guotao 1 Cuni-Sanchez, Aida 1 Da Xu, Li 1 Ding, Xiangyi 1 Farooque, Aitazaz A. 1 Ferri, Elida Nora 1 Fuinhas, José Alberto 1 Gan, Muye 1 Gao, Yuan 1 Gatto, Andrea 1 González-Vila Puchades, Laura 1 Gómez, Víctor Alonso 1 Gómez-Losada, Álvaro 1 Halkos, George 1 Hernández-Callejo, Luis 1 Hoshide, Aaron K. 1 Jin, Shaofei 1 Jin, Xue-Bo 1 Kamruzzaman, Md 1 Koengkan, Matheus 1 Lam, Holly Ching Yu 1 Lanza, Stefania 1 Leite, Vicente 1 Lo Monaco, Angela 1 Luhar, Ashok 1 Lytras, Miltiadis 1 Ma, Li 1 Macinnis-Ng, Cate 1 Maestosi, Paola Clerici 1 Marchant, Rob 1 Martens, Emiel 1 Matias, João Carlos de Oliveira 1 Mercadé Melé, Pere 1 Molina Gómez, Jesús 1 Muzirafuti, Anselme 1 Nesmachnow, Sergio 1 Ordóñez de Pablos, Patricia 1 Ouyang, Puren 1 Pallante, Giacomo 1 Paraforos, Dimitrios 1 Pimentel, Carina 1 Pintilii, Radu-Daniel 1 Pires, José Carlos Magalhães 1 Póvoa, Débora 1 Rajora, Om 1 Ramírez, Omar 1 Randazzo, Giovanni 1 Reijnders, Stijn 1 Roldán Gómez, Juan Jesús 1 Sadik-Zada, Elkhan Richard 1 Salvatori, Elisabetta 1 Shamshiri, Redmond R. 1 Shan, Zhengying 1 Sousa, Maria José 1 Suleman, Fátima 1 Sultan, Muhammad 1 Vlasov, Dmitry 1 Wegensteiner, Rudolf 1 Xifra, Jordi 1 Yan, Xiaodong 1 Yang, Jia 1 Zhang, Ting 1 Zhang, Wei 1 Zhang, Yingnan 1 Zhou, Qian 1 Zhou, Yuguang 1 Zuo, Qiting 1 de Andres Sanchez, Jorge 1 de Barros Santiago, Renato Filipe 1 see all ... less ...

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