551 - Geology, hydrology & meteorology 610 - Medicine & health 700 - The arts; fine & decorative arts 900 - History & geography 333 - Economics of land & energy 8 600 - Technology 8 more ... 363 - Other social problems & services 7 320 - Political science 6 330 - Economics 6 380 - Commerce, communications & transportation 6 620 - Engineering & allied operations 5 000 - Computer science, information & general works 4 720 - Architecture 4 370 - Education 3 360 - Social problems & services; associations 2 140 - Specific philosophical schools 1 300 - Social sciences 1 400 - Language 1 500 - Natural sciences & mathematics 1 581 - Specific topics in natural history 1 630 - Agriculture & related technologies 1 see all ... less ...

English 12

Directory of Open Access Books

Bao, Haijun 2 Ochoa, Jorge 2 Shen, Liyin 2 Achillas, Charisios 1 Bochtis, Dionysis 1 Chaves-Montero, Alfonso 1 more ... Chen, Wei-Hsin 1 Corchado, Juan M. 1 Culaba, Alvin B. 1 Doon, Roshnie A. 1 Garrote, Luis 1 González Lezcano, Roberto Alonso 1 Joseph, Debra D. 1 Konstantakopoulou, Foteini 1 Košir, Mitja 1 Lim, Steven 1 Lobaccaro, Gabriele 1 Mainini, Andrea Giovanni 1 Mehmood, Rashid 1 Nikolaou, Ioannis 1 Poli, Tiziana 1 Tsagarakis, Konstantinos P. 1 Ubando, Aristotle T. 1 Wink, Michael 1 Yigitcanlar, Tan 1 see all ... less ...

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