Sapi'i, M., 		Djaelani, Aunu, AND 		Apriyanto, Nuraedhi.
" PENINGKATAN HASIL BELAJAR TUNE-UP ENGINE MOBIL KONVENSIONAL MELALUI METODE PEMBELAJARAN BERBASIS MASALAH PADA SISWA SMK" <em>Journal of Vocational Education and Automotive Technology</em> [Online], Volume 2 Number 2 (8 November 2020)