?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Nugroho+Mulyanto%2C+NIM.+13680034&rft.aulast=Nugroho+Mulyanto&rft.aufirst=NIM.+13680034&rft.degree=Skripsi&rft.date=27+February+2018&rft.title=PENGEMBANGAN+BUKU+AJAR+BIOLOGI+MATERI+EKOSISTEM+BERBASIS+POTENSI+LOKAL+GUMUK+PASIR+PANTAI+SELATAN+BANTUL+UNTUK+PESERTA+DIDIK+KELAS+X+SMA%2FMA&rft.inst=UIN+SUNAN+KALIJAGA&rft.tpages=153