?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Muhammad+Dika&rft.au=Pratama%2C+Muhammad+Dika&rft.aulast=Pratama&rft.date=2021&rft.degree=Bachelor&rft.title=Pengaruh+Biaya+Corporate+Social+Responsibility%2CBiaya+Promosi%2C+Struktur+Modal%2C+Financial+Leverage%2C+Dan+Biaya+Research+%26+Development+Perusahaan+Terhadap+Profitabilitas+Perusahaan+Pertambangan+Yang+Terdaftar+Di+Bursa+Efek+Indonesia+Tahun+2015+-+2019&rft.tpages=34&rft.inst=Universitas+Muhammadiyah+Prof.+DR.+HAMKA