?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Sumayah%2C+NIM.+15510034&rft.aulast=Sumayah&rft.aufirst=NIM.+15510034&rft.degree=Skripsi&rft.date=27+May+2019&rft.title=ETIKA+LINGKUNGAN+DALAM+NOVEL+DUNIA+ANNA+KARYA+JOSTEIN+GAARDER&rft.inst=UIN+SUNAN+KALIJAGA+YOGYAKARTA&rft.tpages=131