PENGARUH PENGUASAAN ALAT PRAKTIK DAN KELENGKAPAN ALAT TERHADAP HASIL PRAKTIK SISTEM REM SISWA KELAS XI TKRO SMK TEUKU UMAR SEMARANG - Bagas, Bagas; Apriyanto, Nuraedhi; Fatra, Fahmy (Journal of Vocational Education and Automotive Technology; Vol 3 No 1 (2021): Journal of Vocational Education and Automotive Technology, 2021)