Complex sentence: Ethnic groups in Turkey published and developed their own culture using their own resources and with the change of economic realities of the Kurds during 60s and 70s, kurds inner problems begin to reflected to the bigger system.
Split into simpler sentences: Ethnic groups in Turkey published and developed their own culture using their own resources. With the change of economic realities of the Kurds during 60s and 70s, as a society Kurdish inner problems begin to be reflected in the bigger system.