?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=SEPTIAN%2C+AHMAD&rft.aufirst=AHMAD&rft.aulast=SEPTIAN&rft.date=11+September+2015&rft.degree=Other&rft.tpages=3&rft.inst=Sekolah+Tinggi+Teknologi+Dumai&rft.title=OPTIMALISASI+DISTRIBUSI+LPG+3+KG+DI+KOTA+DUMAI