?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Harvia&rft.au=Harvia%2C+Mirvan&rft.aufirst=Mirvan&rft.title=Strategi+Promosi+Semen+Zak+Daerah+Sumbar+di+PT+Igasar+(Semen+Padang+Grup)&rft.degree=Diploma%2FTugas+Akhir&rft.inst=Universitas+Negeri+PadangD&rft.date=2019