viernes, 13 de abril de 2012

Informe Mundial de Felicidad - Helliwell, Layard y Sachs

John Helliwell, Richard Layard y Jeffrey Sachs (Editores)
Canadian Institute for Advanced Research (CIFAR), The Earth Institute, Columbia University, Well Being Programme, Centre for Economic Performance, London School of Economics; 2012 

jueves, 5 de abril de 2012