?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Desy+Seventiana&rft.aulast=Putri&rft.au=Putri%2C+Desy+Seventiana&rft.inst=Universitas+Negeri+Padang&rft.title=Pengaruh+covid19+terhadap+Pemasaran+dan+Pendapatan+Petani+Bawang+Merah+di+Kanagarian+Alahan+panjang%2C+kec%2C+lembah+gumanti%2C+Kab.Solok&rft.degree=Bachelor%2FSkripsi&rft.date=February+2021