?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Nisya&rft.aulast=Hamidah+Khairani&rft.au=Hamidah+Khairani%2C+Nisya&rft.inst=Universitas+Pakuan&rft.degree=Skripsi&rft.title=Analisis+Keabsahan+Pengikatan+Jual+Beli+Di+Bawah+Tangan&rft.date=2025