000 - Computer science, information & general works 320 - Political science 330 - Economics 333 - Economics of land & energy 600 - Technology 700 - The arts; fine & decorative arts more ... 363 - Other social problems & services 11 620 - Engineering & allied operations 11 380 - Commerce, communications & transportation 8 551 - Geology, hydrology & meteorology 8 140 - Specific philosophical schools 7 900 - History & geography 7 370 - Education 6 610 - Medicine & health 5 581 - Specific topics in natural history 3 630 - Agriculture & related technologies 3 658 - General management 3 530 - Physics 2 576 - Genetics & evolution 2 580 - Plants (Botany) 2 657 - Accounting 2 720 - Architecture 2 800 - Literature & rhetoric 2 100 - Philosophy & psychology 1 170 - Ethics 1 297 - Islam, Babism & Bahai Faith 1 300 - Social sciences 1 361 - Social problems & social welfare in general 1 400 - Language 1 410 - Linguistics 1 500 - Natural sciences & mathematics 1 see all ... less ...

English 23

Directory of Open Access Books 23

Enemark, Stig 2 Lemmen, Christiaan 2 Lytras, Miltiadis 2 McLaren, Robin 2 Aboud, Ahmed 1 Antuchevičienė, Jurgita 1 more ... Bao, Haijun 1 Bhat, Rajeev 1 Bocken, Nancy 1 Chui, Kwok Tai 1 Cirella, Giuseppe T. 1 Douligeris, Christos 1 Gibert, Karina 1 Gómez, Víctor Alonso 1 Helfaya, Akrum 1 Hernández-Callejo, Luis 1 Hosseini, M. Reza 1 Kalderis, Dimitrios 1 Koirala, Binod 1 Konstantakopoulou, Foteini 1 Leite, Vicente 1 Liu, Conghu 1 Liu, Zhi 1 Martek, Igor 1 Mieg, Harald A. 1 Nesmachnow, Sergio 1 Nikolaou, Ioannis 1 Ochoa, Jorge 1 Oost, Ellen van 1 Ordóñez de Pablos, Patricia 1 Palm, Jenny 1 Pawlowska, Barbara 1 Perea-Moreno, Alberto-Jesus 1 Santagata, Remo 1 Schnitzer, Hans 1 Shen, Liyin 1 Skoulou, Vasiliki 1 Song, Xiaoqian 1 Sætra, Henrik Skaug 1 Tsagarakis, Konstantinos P. 1 Ulgiati, Sergio 1 Ullah, Fahim 1 Valls, Aida 1 Visvizi, Anna 1 Waal, Esther van der 1 Wei, Fangfang 1 Windt, Henny J. van der 1 Yigitcanlar, Tan 1 Zavadskas, Edmundas Kazimieras 1 see all ... less ...

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