Bagus Dwi Cahyono and Irwanto 2022. Workshop of Learning Equipment at SMK KAL-1 Surabaya: Workshop Perangkat Pembelajaran di SMK KAL-1 Surabaya. Mattawang: Jurnal Pengabdian Masyarakat. 3, 1 (Jun. 2022), 102–110. DOI:https://doi.org/10.35877/454RI.mattawang880.