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Economics and Business Administration 575 Sociology 117 Undetermined 102 Nature Conservation, Enviromental Protection 76 Political Science 72 Geography 68 more ... Agriculture and Forestry 52 Biology 39 Law 34 Education, Pedagogy 26 Geoscience and Palaeontology 19 Medical Science 19 Construction Engineering 16 History 15 Mechanical Engineering 14 Psychology 11 Linguistics 11 Philosophy 10 Mathematics 9 Computer Science 8 Architecture 8 General Works 7 Ethnology 7 African Studies 6 Chemistry and Pharmacy 6 Sport Science 6 Theology, Religion 5 Germanic Studies 5 Art History 5 English Studies, American Studies 4 less ...

Popkova, Elena G 8 Nguyen, An Thinh 7 Zhao, Pengjun 5 Beaudry, Catherine 4 Campos, Hugo 4 Hens, Luc 4 more ... Leal Filho, Walter 4 Welfens, Paul J. J. 4 Agrusti, Gabriella 3 Ainley, John 3 Batra, Geeta 3 Bentley, Jeffery W. 3 Brümmer, Christian 3 Caucci, Serena 3 Dülfer, Eberhard 3 Elsayed, Ahmed 3 Fraillon, Julian 3 Friedmann, Michael 3 Hettiarachchi, Hiroshan 3 Lam, David 3 Losito, Bruno 3 Markandya, Anil 3 Meier, Gerald M. 3 Mouton, Johann 3 Polar, Vivian 3 Schulz, Wolfram 3 Schwärzel, Kai 3 Sergi, Bruno S 3 Shaw, Rajib 3 Smith, Stephen C. 3 less ...

Book 905 Conference Proceeding 37 Article 17 Dissertation 7 Final exam paper 2 Commemorative publication 1

English 898 German 13 Undetermined 7 French 4 Italian 2 Arabic 1 more ... Chinese 1 Japanese 1 Russian 1 less ...