2 interventi di Henning Ehrenstein

  1. video
    7.06.2019

    Collaborative economy in the real estate sector: an opportunity for Europe

    15:41

    Durata: 0:07:10

  2. video
    7.06.2019

    Collaborative economy in the real estate sector: an opportunity for Europe

    14:50

    Durata: 0:29:27