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History 12,945 View Records Historia 9,397 View Records Education 6,114 View Records General 6,010 View Records Educación 5,696 View Records History and criticism 4,182 View Records Philosophy 4,044 View Records Ciencias sociales 3,794 View Records Filosofía 3,715 View Records Politics and government 3,226 View Records Derecho 2,855 View Records Study and teaching 2,840 View Records Research 2,794 View Records Publicaciones periódicas 2,677 View Records Periodicals 2,643 View Records Social aspects 2,614 View Records Science 2,596 View Records Technology 2,565 View Records Psicología 2,485 View Records Medicina 2,475 View Records Tecnología 2,344 View Records Social conditions 2,255 View Records Criticism and interpretation 2,229 View Records Law 2,149 View Records Agricultura 2,112 View Records Historia y crítica 2,084 View Records Economic conditions 2,078 View Records Social Science 2,057 View Records Psychology 2,042 View Records Management 2,018 View Records Aspectos sociales 2,016 View Records Law and legislation 2,004 View Records Investigación 1,994 View Records Agriculture 1,943 View Records Literatura 1,909 View Records Economía 1,905 View Records Sociología 1,896 View Records Public administration 1,886 View Records Literature 1,807 View Records Social sciences 1,781 View Records Medicine 1,730 View Records Economics 1,654 View Records Sociology 1,632 View Records Administración pública 1,560 View Records Política y gobierno 1,533 View Records Spanish literature 1,493 View Records Education, Higher 1,430 View Records Political science 1,342 View Records Derecho administrativo 1,339 View Records Enseñanza 1,313 View Records Religión 1,300 View Records Ciencias 1,222 View Records Diseases 1,197 View Records Ciencia 1,169 View Records Administrative law 1,166 View Records Industrial management 1,159 View Records Arquitectura 1,158 View Records Educación superior 1,155 View Records Literatura mexicana 1,143 View Records Psychological aspects 1,138 View Records Women 1,137 View Records Mexican literature 1,121 View Records Condiciones sociales 1,119 View Records Chemistry 1,096 View Records Ciencias políticas 1,093 View Records Medical 1,085 View Records Condiciones económicas 1,081 View Records Administración de empresas 1,079 View Records Spanish language 1,077 View Records Crítica e interpretación 1,052 View Records Business and Economics 1,042 View Records Formas y géneros literarios 1,026 View Records Sustainable development 1,012 View Records Religion 1,005 View Records Comunicación 989 View Records Salud pública 984 View Records Enseñanza superior 971 View Records Architecture 969 View Records Finance 964 View Records Desarrollo sostenible 953 View Records Derechos humanos 950 View Records Negocios y economía 948 View Records Política 948 View Records Higher education 933 View Records Educación Superior 927 View Records Human rights 922 View Records Literatura española 912 View Records Alimentos 905 View Records Public health 883 View Records Marketing 870 View Records COMENTARIOS 848 View Records Empresas 847 View Records Food 846 View Records Training of 841 View Records HISTORIA 826 View Records NUEVO TESTAMENTO 822 View Records Mass media 820 View Records Administración 813 View Records Mathematics 800 View Records Agronomía 796 View Records

e-libro, Corp 537 Ciencia Hoy 38 Movimiento de Brigadas Técnicas Juveniles (Cuba), 22 Cegarra Sánchez, José 14 Facultad de Ciencias Exactas y Naturales--Universidad de Buenos Aires 13 Fundación Ciencia Hoy 12 Consejo Superior de Investigaciones Científicas 11 Colegio24hs 9 Asociación Civil Ciencia Hoy 8 Berovides Álvarez, Vicente, 6 Consejo superior de investigaciones científicas 6 Pérez Tamayo, Ruy 6 Santiesteban Naranjo, Ernan, 6 Velázquez Avila, Kenia María, 6 Ciencia hoy (Buenos Aires, Argentina) 5 Corporación Andina de Fomento 5 Sampedro Marín, Alcides 5 Barrera Cataño, J. I. 4 Braun, Eliezer 4 Lareo, L. 4 López Cerezo, José Antonio 4 Quijano Parra, Alfonso 4 Sampedro Marín, Alcides, 4 Arbeláez Ramírez, Luis F. 3 Bécquer, C. J. 3 Cabrera, Gustavo, 3 Calvo Hernando, Manuel 3 Consejo Superior de Investigaciones Científicas, 3 Descartes, René 3 Eslava, Nora, 3 Fernández Panadero, Javier 3 García Gómez, Rafael Armando, 3 González Recio, José Luis, 3 Guerrero Pino, Germán, 3 Herrera Lima, Susana, 3 Latasa Asso, Tomás 3 Macedo, Beatriz 3 Orozco Martínez, Carlos Enrique, 3 Ossa Velásquez, Jaime L. de la 3 Penchaszadeh, Pablo Enrique, 3 Sagredo, Vicente, 3 Sanz Ochotorena, Ana 3 Shapin, Steven 3 Silveira, Sara, 3 Villalobos Murillo, Johnny 3 Wright, Jaime 3 Acosta, A. 2 Acosta, Martín 2 Acuña López, Freddy 2 Aguilera, Carlos, 2 Alfaro Arce, Ana Lucía 2 Alpízar Vargas, Marianela 2 Amado González, Eliseo 2 Ardila Marulanda, Merly, 2 Arroyo Hernández, Jorge 2 Artigas, Mariano 2 Asociación Ciencia Hoy 2 Barrera-Cataño, J. I. 2 Berovides Alvarez, Vicente, 2 Berovides Álvarez, Vicente 2 Blanco, Carlos 2 Botero, Ligia, 2 Bracho, Mariángela, 2 Caamaño Polini, Santiago 2 Cañas Bermudez, O. 2 Cereijido, Marcelino 2 Chaves Esquivel, Edwin 2 Contreras Vidal, Jorge Luis, 2 Coto Chotto, Mayela 2 Curbelo Sosa, Henry, 2 Díaz Obando, Evangelina 2 Duque Martínez, Luz Marina, 2 Falcón, Nelson, 2 Fernández Moreno, Luis, 2 Fernández Velázquez, Alejandro 2 Flores, Máryury 2 Flores-García, S, 2 Fuentes Obeid, Samira, 2 Gaitan, Rolando 2 Galicia Sánchez, Segundo 2 García Méndez, Manuel, 2 García-Colín Scherer, Leopoldo 2 González Rossell, Amnerys 2 González, Clara, 2 González, Leo W. 2 Guevara, Francisco, 2 Gutiérrez, M. 2 Herrán Gascón, Agustín de la 2 Kuhn, Thomas S. 2 Lara, Mónica, 2 López, Anyeli de la C, 2 Lugones, Gustavo 2 Maldonado, Carlos Eduardo 2 Marcos, Alfredo 2 Martini, María, 2 Martínez, Antonio J. 2 Martínez, Jorge, 2 Merlino, Gabriel, 2 Mora Rivera, Sonia 2 Mora, Emanuel C, 2