?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Eko+Wahyu&rft.aulast=Nugroho&rft.au=Nugroho%2C+Eko+Wahyu&rft.volume=3&rft.atitle=STUDENTS+PERCEPTIONS+ANALYSIS+TO+ENHANCE+LEARNING+PROCESS+OF+SHIELDED+METAL+ARC+WELDING+SUBJECT+IN+SMKN+1+SEDAYU&rft.date=April+2015&rft.pages=67-72&rft.title=E-Jurnal+Pendidikan+Teknik+Mesin&rft.issue=2&rft.genre=article