Enllaços:
[1] https://xodel.diba.cat/
[2] https://xodel.diba.cat/members/llopez
[3] http://www.sintetia.com/libertad-economica-libertad-de-prensa-y-desarrollo-humano-un-pasatiempo-analitico/
[4] https://xodel.diba.cat/forums/2014/07/09/mesura-de-qualitat-de-vida
[5] https://xodel.diba.cat/forums/2014/05/19/arees-comercials-vs-industria
[6] https://xodel.diba.cat/node/273