Strengthening Class XII Competence for Covid-19 Products Through the Ignition Combustion Injection System Workshop: Penguatan Kompetensi Kelas XII Produk Covid-19 Melalui Workshop Sistem Injeksi Ignition Cumbution. DJPKM 2023, 7 (1), 147-155. https://doi.org/10.31849/dinamisia.v7i1.12492.