333 - Economics of land & energy 380 - Commerce, communications & transportation 600 - Technology 20 610 - Medicine & health 620 - Engineering & allied operations 900 - History & geography more ... 700 - The arts; fine & decorative arts 17 363 - Other social problems & services 7 720 - Architecture 7 576 - Genetics & evolution 6 000 - Computer science, information & general works 5 140 - Specific philosophical schools 4 320 - Political science 4 330 - Economics 4 500 - Natural sciences & mathematics 4 800 - Literature & rhetoric 4 300 - Social sciences 3 551 - Geology, hydrology & meteorology 3 580 - Plants (Botany) 3 170 - Ethics 2 340 - Law 2 370 - Education 2 400 - Language 2 612 - Human physiology 2 630 - Agriculture & related technologies 2 658 - General management 2 410 - Linguistics 1 540 - Chemistry & allied sciences 1 see all ... less ...

English 20

Directory of Open Access Books 20

Arosio, Paolo 2 Gonzalez-Aguilera, Diego 2 Gozzelino, Raffaella 2 Poli, Maura 2 Rodríguez-Gonzálvez, Pablo 2 Sarkar, Biswajit 2 more ... Abelha, Marta 1 Ali, Syed Mithun 1 Anchidin, Liliana 1 Antuchevi?ien?, Jurgita 1 Chen, Wei-Hsin 1 Cicirelli, Franco 1 Corchado, Juan M. 1 Culaba, Alvin B. 1 De, Suparna 1 Faria, Pedro 1 Fernandes, Sandra Raquel Gonçalves 1 Ferreira-Oliveira, Ana Teresa 1 Gomes, João M. M. 1 Guadagno, Liberata 1 Guerrieri, Antonio 1 Guo, Yabin 1 Hu, Yunpeng 1 Jurecki, Rafał 1 Kabir, Golam 1 Kar, Samarjit 1 Konstantakopoulou, Foteini 1 Koulamas, Christos 1 Lavric, Alexandru 1 Lazarescu, Mihai 1 Lim, Steven 1 Marek, Guzek 1 Mehmood, Rashid 1 Moessner, Klaus 1 Nikolaou, Ioannis 1 Pantelakis, Spiros 1 Paul, Sanjoy Kumar 1 Petrariu, Adrian I. 1 Sarkar, Mitali 1 Strohmayer, Andreas 1 Tsagarakis, Konstantinos P. 1 Ubando, Aristotle T. 1 Vale, Zita 1 Vinci, Andrea 1 Wach, Wojciech 1 Wang, Zhanwei 1 Yigitcanlar, Tan 1 Zavadskas, Edmundas Kazimieras 1 see all ... less ...

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