140 - Specific philosophical schools 333 - Economics of land & energy 363 - Other social problems & services 380 - Commerce, communications & transportation 581 - Specific topics in natural history 000 - Computer science, information & general works 7 more ... 700 - The arts; fine & decorative arts 6 330 - Economics 5 551 - Geology, hydrology & meteorology 5 576 - Genetics & evolution 5 414 - Phonology & phonetics 4 610 - Medicine & health 4 620 - Engineering & allied operations 4 300 - Social sciences 3 320 - Political science 3 500 - Natural sciences & mathematics 3 540 - Chemistry & allied sciences 3 580 - Plants (Botany) 3 612 - Human physiology 3 370 - Education 2 600 - Technology 2 900 - History & geography 2 304 - Factors affecting social behavior 1 400 - Language 1 657 - Accounting 1 see all ... less ...

English

Directory of Open Access Books 9

Baptista, Paula 3 Carillo, Petronia 3 Stankovic, Milan 3 Yigitcanlar, Tan 2 Azevedo, Susana Garrido 1 Chen, Jie 1 more ... Choi, Yosoon 1 Cui, Guotao 1 Ding, Xiangyi 1 Kamruzzaman, Md 1 Matias, João Carlos de Oliveira 1 Pimentel, Carina 1 Zhang, Ting 1 Zhang, Wei 1 Zhou, Qian 1 Zuo, Qiting 1 see all ... less ...

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