?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Rudy&rft.au=Gunawan%2C+Rudy&rft.aulast=Gunawan&rft.title=Functions+and+Role+of+Social+Studies+Teachers+in+the+Disruption+and+Abundance+Era&rft.genre=proceeding