140 - Specific philosophical schools 330 - Economics 363 - Other social problems & services 581 - Specific topics in natural history 333 - Economics of land & energy 14 320 - Political science 9 more ... 000 - Computer science, information & general works 8 700 - The arts; fine & decorative arts 8 551 - Geology, hydrology & meteorology 7 600 - Technology 7 610 - Medicine & health 6 900 - History & geography 6 380 - Commerce, communications & transportation 5 630 - Agriculture & related technologies 5 620 - Engineering & allied operations 3 100 - Philosophy & psychology 2 170 - Ethics 2 304 - Factors affecting social behavior 2 370 - Education 2 576 - Genetics & evolution 2 658 - General management 2 200 - Religion 1 297 - Islam, Babism & Bahai Faith 1 300 - Social sciences 1 340 - Law 1 350 - Public administration & military science 1 414 - Phonology & phonetics 1 500 - Natural sciences & mathematics 1 540 - Chemistry & allied sciences 1 580 - Plants (Botany) 1 612 - Human physiology 1 657 - Accounting 1 800 - Literature & rhetoric 1 see all ... less ...

English 18

Directory of Open Access Books

Yigitcanlar, Tan 2 Ahearn, Ariell 1 Atstaja, Dzintra 1 Azevedo, Susana Garrido 1 Bedla, Dawid 1 Boelens, Rutgerd 1 more ... Bruins, Bert 1 Castellanos, Paige 1 Chen, Jie 1 Cui, Guotao 1 Ding, Xiangyi 1 Elo, Merja 1 Florenzano, Assunta 1 Halecki, Wiktor 1 Hashemi, Shervin 1 Hubbart, Jason A. 1 Hytönen, Jonne 1 Kamruzzaman, Md 1 Karkulehto, Sanna 1 Kortetmäki, Teea 1 Koval, Viktor 1 Lal, Sara 1 Matias, João Carlos de Oliveira 1 Mercuri, Anna 1 Montevecchio, Caesar A. 1 Penzel, Thomas 1 Pimentel, Carina 1 Powers, Gerard F. 1 Radecki-Pawlik, Artur 1 Ryczek, Marek 1 Sachs, Carolyn E. 1 Shah, Esha 1 Simpson, Ann 1 Skačkauskienė, Ilona 1 Smardon, Richard 1 Sternberg, Troy 1 Tickamyer, Ann R. 1 Weidner, Chad 1 Zhang, Ting 1 Zhang, Wei 1 Zhou, Qian 1 Zuo, Qiting 1 see all ... less ...

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