140 - Specific philosophical schools 330 - Economics 380 - Commerce, communications & transportation 658 - General management 600 - Technology 6 000 - Computer science, information & general works 5 more ... 333 - Economics of land & energy 5 700 - The arts; fine & decorative arts 5 363 - Other social problems & services 4 610 - Medicine & health 4 320 - Political science 3 551 - Geology, hydrology & meteorology 3 630 - Agriculture & related technologies 3 297 - Islam, Babism & Bahai Faith 2 370 - Education 2 576 - Genetics & evolution 2 580 - Plants (Botany) 2 620 - Engineering & allied operations 2 336 - Public finance 1 361 - Social problems & social welfare in general 1 500 - Natural sciences & mathematics 1 720 - Architecture 1 800 - Literature & rhetoric 1 900 - History & geography 1 see all ... less ...

English 9

Directory of Open Access Books 9

Abreu, António 1 Bi, Zhuming 1 Da Xu, Li 1 Farooque, Aitazaz A. 1 Feng, Yongfei 1 Gallardo-Camacho, Jorge 1 more ... Graham, Mark 1 Halkos, George 1 Hoshide, Aaron K. 1 Marta-Lazo, Carmen 1 Martín Cervantes, Pedro Antonio 1 Ouyang, Puren 1 Puebla-Martínez, Belén 1 Romero-Rodríguez, Luis Miguel 1 Shamshiri, Redmond R. 1 Sultan, Muhammad 1 Valls Martínez, María del Carmen 1 Vladareanu, Luige 1 Wang, Hongbo 1 Yu, Hongnian 1 Zhou, Yuguang 1 see all ... less ...

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