140 - Specific philosophical schools 580 - Plants (Botany) 610 - Medicine & health 630 - Agriculture & related technologies 333 - Economics of land & energy 6 363 - Other social problems & services 5 more ... 330 - Economics 4 600 - Technology 4 620 - Engineering & allied operations 4 700 - The arts; fine & decorative arts 4 380 - Commerce, communications & transportation 3 581 - Specific topics in natural history 3 900 - History & geography 3 000 - Computer science, information & general works 2 170 - Ethics 2 300 - Social sciences 2 340 - Law 2 551 - Geology, hydrology & meteorology 2 576 - Genetics & evolution 2 658 - General management 2 720 - Architecture 2 800 - Literature & rhetoric 2 297 - Islam, Babism & Bahai Faith 1 320 - Political science 1 370 - Education 1 612 - Human physiology 1 see all ... less ...

English 7

Directory of Open Access Books 6 OAPEN 1

Gonzalez-Aguilera, Diego 2 Rodríguez-Gonzálvez, Pablo 2 Dini, Irene 1 Hashemi, Shervin 1 Hoshide, Aaron K. 1 Liphadzi, Stanley 1 more ... López-Rodríguez, María D. 1 Mabhaudhi, Tafadzwanashe 1 Montesano, Domenico 1 Mpandeli, Sylvester 1 Nhamo, Luxon 1 Quintas-Soriano, Cristina 1 Vicente-Vicente, José Luis 1 see all ... less ...

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