?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=safrul&rft.au=safrul%2C+safrul&rft.aufirst=safrul&rft.date=2025&rft.title=SINOPSIS+DISERTASI+-+SAFRUL+-+2019&rft.inst=UHAMKA&rft.degree=Doctoral