Marc Ummel
@ummelmarc
@SWISSAID Researcher, gold, mining, responsible sourcing and business responsibility. Own views
ID: 1082982341499334656
09-01-2019 12:48:05
331 Tweet
271 Followers
417 Following
@ummelmarc
@SWISSAID Researcher, gold, mining, responsible sourcing and business responsibility. Own views
ID: 1082982341499334656
09-01-2019 12:48:05
331 Tweet
271 Followers
417 Following