?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Christopher+Malvin+S.&rft.aulast=72120044&rft.au=72120044%2C+Christopher+Malvin+S.&rft.tpages=136&rft.title=SISTEM+INFORMASI+PENDATAAN+PETANI+DAN+KELOMPOK+TANI&rft.degree=Bachelor&rft.inst=Universitas+Kristen+Duta+Wacana&rft.date=July+2017