?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Irwan&rft.au=Irwan%2C+Hidayat&rft.aufirst=Hidayat&rft.date=11+February+2016&rft.inst=U+N+Y&rft.degree=S1&rft.title=PROSES+PEMBUATAN+POROS+PENGADUK+DAN+PIRINGAN+PENUTUP