330 - Economics 363 - Other social problems & services 600 - Technology 610 - Medicine & health 700 - The arts; fine & decorative arts 900 - History & geography more ... 333 - Economics of land & energy 6 620 - Engineering & allied operations 6 380 - Commerce, communications & transportation 4 320 - Political science 3 370 - Education 3 551 - Geology, hydrology & meteorology 3 720 - Architecture 3 000 - Computer science, information & general works 2 140 - Specific philosophical schools 2 300 - Social sciences 1 301 - Sociology & anthropology 1 304 - Factors affecting social behavior 1 360 - Social problems & services; associations 1 540 - Chemistry & allied sciences 1 580 - Plants (Botany) 1 630 - Agriculture & related technologies 1 658 - General management 1 800 - Literature & rhetoric 1 see all ... less ...

English 7

Directory of Open Access Books 8

Bao, Haijun 2 Ochoa, Jorge 2 Shen, Liyin 2 Alaloul, Wesam Salah 1 Ali, Syed Mithun 1 Ba, Alpha 1 more ... Daré, William's 1 Gao, Yuan 1 Garrote, Luis 1 Jin, Xue-Bo 1 Kabir, Golam 1 Liu, Wenbin 1 Musarat, Muhammad 1 Paul, Sanjoy Kumar 1 Tayeh, Bassam A. 1 see all ... less ...

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