330 - Economics 333 - Economics of land & energy 380 - Commerce, communications & transportation 600 - Technology 800 - Literature & rhetoric 700 - The arts; fine & decorative arts 6 more ... 610 - Medicine & health 5 140 - Specific philosophical schools 4 363 - Other social problems & services 4 320 - Political science 3 620 - Engineering & allied operations 3 658 - General management 3 900 - History & geography 3 000 - Computer science, information & general works 2 304 - Factors affecting social behavior 2 400 - Language 2 657 - Accounting 2 720 - Architecture 2 336 - Public finance 1 361 - Social problems & social welfare in general 1 370 - Education 1 530 - Physics 1 551 - Geology, hydrology & meteorology 1 576 - Genetics & evolution 1 580 - Plants (Botany) 1 see all ... less ...

English 9

Directory of Open Access Books 9

Narzisi, Antonio 2 Ali, Syed Mithun 1 De, Suparna 1 Esteban, María Dolores 1 Gatto, Andrea 1 Halkos, George 1 more ... Kabir, Golam 1 López-Gutiérrez, José-Santos 1 Moessner, Klaus 1 Negro Valdecantos, Vicente 1 Ortega, José Marcos 1 Paul, Sanjoy Kumar 1 Sadik-Zada, Elkhan Richard 1 Santagata, Remo 1 Schnitzer, Hans 1 Ulgiati, Sergio 1 Winkler, Herwig 1 see all ... less ...

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