?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Violina&rft.au=Violina%2C+Angela&rft.aufirst=Angela&rft.title=Kualitas+Air+Tanah+Dangkal+Berdasarkan+Satuan+Lahan+di+Kecamatan+Gunung+Talang+Kab.+Solok&rft.degree=Bachelor%2FSkripsi&rft.inst=Universitas+Negeri+Padang&rft.date=2012