?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Ulfa+Sufia&rft.aulast=Syifa&rft.au=Syifa%2C+Ulfa+Sufia&rft.date=2019&rft.inst=Fakultas+Keguruan+dan+Ilmu+Pendidikan&rft.title=TEACHING+SPEAKING+TO+AIRCRAFT+TECHNICIAN+STUDENTS+(A+Study+Conducted+at+SMK+Penerbangan+Angkasa+Bogor)&rft.degree=Skripsi