300 - Social sciences 333 - Economics of land & energy 363 - Other social problems & services 380 - Commerce, communications & transportation 700 - The arts; fine & decorative arts 7 140 - Specific philosophical schools 5 more ... 576 - Genetics & evolution 5 580 - Plants (Botany) 5 610 - Medicine & health 5 620 - Engineering & allied operations 5 000 - Computer science, information & general works 4 581 - Specific topics in natural history 4 414 - Phonology & phonetics 3 500 - Natural sciences & mathematics 3 540 - Chemistry & allied sciences 3 551 - Geology, hydrology & meteorology 3 600 - Technology 3 612 - Human physiology 3 900 - History & geography 3 170 - Ethics 2 320 - Political science 2 330 - Economics 2 340 - Law 2 630 - Agriculture & related technologies 2 720 - Architecture 2 800 - Literature & rhetoric 2 650 - Management & auxiliary services 1 657 - Accounting 1 see all ... less ...

English 7

Directory of Open Access Books 7

Baptista, Paula 3 Carillo, Petronia 3 Stankovic, Milan 3 Gonzalez-Aguilera, Diego 2 Rodríguez-Gonzálvez, Pablo 2 Bielińska-Dusza, Edyta 1 more ... Fernández-Manjarrés, Juan F. 1 Sansilvestri, Roxane 1 Ziębicki, Bernard 1 see all ... less ...

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