1.EL SECTOR PRIMARIO EN CUBA

http://www.theprisma.co.uk/2010/12/19/cuba-to-the-rhythm-of%E2%80%A6-sugar/

http://www.infolatam.com/2012/01/30/cuba-abre-el-sector-azucarero-a-la-brasilena-odebrecht/

http://www.miscelaneasdecuba.net/web/Article/Index/5225e1bf3a682e0cd4de11d2#.UyXJZVp5NVs