?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Sapitri&rft.au=Sapitri%2C+Melza+Purnama&rft.aufirst=Melza+Purnama&rft.inst=Universitas+Negeri+Padang&rft.date=December+2021&rft.degree=Bachelor%2FSkripsi&rft.title=Karakteristik+Mata+Air+di+Nagari+Sitalang+Kecamatan+Ampek+Nagari+Kabupaten+Agam