?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Dawud&rft.au=Waliyadi%2C+Dawud&rft.aulast=Waliyadi&rft.title=Analisis+Portofolio+Optimal+pada+Investasi+Financial+PT.+Grafika+Aksara+Prima&rft.inst=Univ.+Pakuan&rft.date=2024&rft.degree=Thesis