5
Publicado em 1978
Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/2002 to present
Recurso Electrónico Periódico
8
Full text available from Latin America & Iberia Database: 01/01/2012 to present
Recurso Electrónico Periódico
10
Publicado em 2007
Full text available from Science Database: 01/01/2007 to present
Recurso Electrónico Periódico
14
Publicado em 1991
Full text available from Research Library: 01/01/2006 to present
Recurso Electrónico Periódico
16
Full text available from Social Science Database: 01/01/2005 to present
Recurso Electrónico Periódico