320 - Political science 330 - Economics 333 - Economics of land & energy 600 - Technology 610 - Medicine & health 700 - The arts; fine & decorative arts more ... 363 - Other social problems & services 7 551 - Geology, hydrology & meteorology 6 000 - Computer science, information & general works 5 380 - Commerce, communications & transportation 5 370 - Education 4 620 - Engineering & allied operations 4 900 - History & geography 4 140 - Specific philosophical schools 2 581 - Specific topics in natural history 2 720 - Architecture 2 100 - Philosophy & psychology 1 170 - Ethics 1 361 - Social problems & social welfare in general 1 414 - Phonology & phonetics 1 530 - Physics 1 576 - Genetics & evolution 1 580 - Plants (Botany) 1 630 - Agriculture & related technologies 1 658 - General management 1 see all ... less ...

English 9

Directory of Open Access Books 9

Bao, Haijun 2 Ochoa, Jorge 2 Shen, Liyin 2 Bhat, Rajeev 1 Douligeris, Christos 1 Gibert, Karina 1 more ... Han, Hoon 1 Hashemi, Shervin 1 Kamruzzaman, Md 1 Konstantakopoulou, Foteini 1 Nikolaou, Ioannis 1 Tsagarakis, Konstantinos P. 1 Valls, Aida 1 Yang, Weixin 1 Yang, Yunpeng 1 Yigitcanlar, Tan 1 Yuan, Guanghui 1 see all ... less ...

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