000 - Computer science, information & general works 320 - Political science 330 - Economics 610 - Medicine & health 700 - The arts; fine & decorative arts 363 - Other social problems & services 12 more ... 333 - Economics of land & energy 11 140 - Specific philosophical schools 9 551 - Geology, hydrology & meteorology 7 581 - Specific topics in natural history 6 600 - Technology 6 380 - Commerce, communications & transportation 5 620 - Engineering & allied operations 5 630 - Agriculture & related technologies 5 900 - History & geography 4 370 - Education 3 580 - Plants (Botany) 3 304 - Factors affecting social behavior 2 530 - Physics 2 550 - Earth sciences 2 720 - Architecture 2 100 - Philosophy & psychology 1 170 - Ethics 1 200 - Religion 1 300 - Social sciences 1 340 - Law 1 361 - Social problems & social welfare in general 1 410 - Linguistics 1 540 - Chemistry & allied sciences 1 576 - Genetics & evolution 1 800 - Literature & rhetoric 1 see all ... less ...

English 17

Directory of Open Access Books

Ahearn, Ariell 1 Anwar, Sajid 1 Ashraf, Nouman 1 Aslam, Sheraz 1 Bao, Haijun 1 Bhat, Rajeev 1 more ... Chen, Jie 1 Cirella, Giuseppe T. 1 Cuevas González, Julián 1 Czudaj, Robert 1 Douligeris, Christos 1 Fendel, Ralf 1 Gibert, Karina 1 Gómez-Losada, Álvaro 1 Herodotou, Herodotos 1 Hubbart, Jason A. 1 Kazak, Jan K. 1 Konstantakopoulou, Foteini 1 Kyaw, Win Thiri 1 López-Rodríguez, María D. 1 Nikolaou, Ioannis 1 Ochoa, Jorge 1 Pires, José Carlos Magalhães 1 Poesen, Jean 1 Portela, Filipe 1 Quintas-Soriano, Cristina 1 Rivera Parra, José Luis 1 Russo, Alessio 1 Sakakibara, Masayuki 1 Shen, Liyin 1 Sternberg, Troy 1 Szewrański, Szymon 1 Tsagarakis, Konstantinos P. 1 Valls, Aida 1 Vicente-Vicente, José Luis 1 Wyseure, Guido 1 Zhang, Ting 1 Zhou, Qian 1 see all ... less ...

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