?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Hakiki&rft.au=Hakiki%2C+Ari&rft.aufirst=Ari&rft.inst=Universitas+Pakuan&rft.date=23+June+2019&rft.degree=Skripsi&rft.title=IMPLEMENTASI+PEMBELAJARAN+SAINS+BERBASIS+ALAM+DI+SMP+SEKOLAH+ALAM+CIKEAS-BOGOR