?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=sulastri&rft.au=sulastri%2C+sulastri&rft.aulast=sulastri&rft.inst=Poltekkes+Tanjungkarang&rft.title=Perilaku+Caring+menurunkan+Kecemasan+Pasien+Preoperasi&rft.date=2019&rft.degree=Diploma