140 - Specific philosophical schools 300 - Social sciences 333 - Economics of land & energy 6 380 - Commerce, communications & transportation 610 - Medicine & health 6 620 - Engineering & allied operations more ... 363 - Other social problems & services 5 576 - Genetics & evolution 5 580 - Plants (Botany) 5 700 - The arts; fine & decorative arts 5 500 - Natural sciences & mathematics 4 540 - Chemistry & allied sciences 4 000 - Computer science, information & general works 3 414 - Phonology & phonetics 3 551 - Geology, hydrology & meteorology 3 581 - Specific topics in natural history 3 600 - Technology 3 612 - Human physiology 3 170 - Ethics 2 340 - Law 2 630 - Agriculture & related technologies 2 720 - Architecture 2 800 - Literature & rhetoric 2 900 - History & geography 2 320 - Political science 1 370 - Education 1 400 - Language 1 see all ... less ...

English 6

Directory of Open Access Books 6

Baptista, Paula 3 Carillo, Petronia 3 Stankovic, Milan 3 Gonzalez-Aguilera, Diego 2 Rodríguez-Gonzálvez, Pablo 2 Abelha, Marta 1 more ... Fernandes, Sandra Raquel Gonçalves 1 Ferreira-Oliveira, Ana Teresa 1 see all ... less ...

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