Référence
Robert Cohen (George Mason University), « Implications of Declining Mail Volumes on the Financial Sustainability of the U.S. Postal Service and Other Posts », Seventh bi-annual conference on The Economics of the Postal Sector in the Digital World, Toulouse, France, 22–23 mars 2012.
Voir aussi
Publié dans
Seventh bi-annual conference on The Economics of the Postal Sector in the Digital World, Toulouse, France, 22–23 mars 2012