barangan/perkhidmatan Kemanusiaan Ekologi Sumber Terbuka Jerman 5.0 5.0 out of 5 stars (based on 1 review) Cemerlang100%Sangat bagus0%Purata0%miskin0%Dahsyat0% Olehtradefree_azrarp17/06/2020 Open Source Ecology (OSE) Germany is an open movement that builds an open source economy that Baca Lagi