?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Ersa+Rahmita&rft.aulast=Yosari&rft.au=Yosari%2C+Ersa+Rahmita&rft.inst=Universitas+Negeri+Padang&rft.degree=Diploma%2FTugas+Akhir&rft.date=2013&rft.title=Analisis+Penyebab+Piutang+Tak+Tertagih+Berdasarkan+Umur+Piutang+pada+Astra+Credit+Companies+(ACC)+Cabang+Padang