PENINGKATAN HASIL BELAJAR SISTEM STATER MELALUI MODEL PROBLEM BASED LEARNING DENGAN MEDIA TRAINER PADA SISWA - Wanto, Sukrisno; Djaelani, Aunu Rofiq; Setiawan, Toni (Journal of Vocational Education and Automotive Technology; Vol 2 No 2 (2020): Journal of Vocational Education and Automotive Technology, 2020)