?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Vera+Apri+Dina+Safitri%2C+1721031023&rft.aulast=Vera+Apri+Dina+Safitri&rft.aufirst=1721031023&rft.degree=Masters&rft.date=2019&rft.title=HUBUNGAN+INVESTASI+RESEARCH+AND+DEVELOPMENT+(R%26D)+DAN+INVESTASI+LINGKUNGAN+TERHADAP+ECO-EFFICIENCY+DAN+NILAI+PERUSAHAAN&rft.inst=Universitas+Lampung