Full text available from Education Database: 04/01/2010 to present
Full text available from Latin America & Iberia Database: 04/01/2010 to present
Full text available from PRISMA Database with HAPI Index: 04/01/2010 to present
Full text available from PRISMA Database with HAPI Index: 04/01/2010 to 01/31/2017

Full text available from Education Database: 01/01/2001 to 12/31/2002
Full text available from Health & Medical Collection: 01/01/2001 to 12/31/2002
Full text available from Education Database: 01/01/2004 to 12/31/2004
Full text available from Health & Medical Collection: 01/01/2004 to 12/31/2004
Full text available from Education Database: 01/01/2008 to present
Full text available from Health & Medical Collection: 01/01/2008 to present

Full text available from Education Database: 01/01/2010 to present

Full text available from Education Database: 01/01/2011 to 01/31/2015

Full text available from Education Database: 01/01/2000 to present
Full text available from Latin America & Iberia Database: 01/01/2000 to present