333 - Economics of land & energy 4 600 - Technology 4 330 - Economics 3 576 - Genetics & evolution 3 620 - Engineering & allied operations 3 700 - The arts; fine & decorative arts 3 more ... 900 - History & geography 3 000 - Computer science, information & general works 2 140 - Specific philosophical schools 1 304 - Factors affecting social behavior 1 363 - Other social problems & services 1 580 - Plants (Botany) 1 610 - Medicine & health 1 see all ... less ...

English 4

Directory of Open Access Books 4

Konda Gokuldoss, Prashanth 2 Wang, Zhi 2 Gong, Pan 1 Han, Guangchao 1 Li, Maojun 1 Núñez-Delgado, Avelino 1 more ... Wang, Xin 1 Zhang, Wenxiang 1 Zhang, Zhien 1 see all ... less ...

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