?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Riyadiyanto%2C+Eka&rft.aulast=Riyadiyanto&rft.aufirst=Eka&rft.degree=Bachelor&rft.inst=Universitas+Muhammdiyah+Prof.+Dr.+Hamka&rft.date=10+November+2017&rft.title=PERANCANGAN+DETEKTOR+KEBOCORAN+GAS