Badranaya MI, Marwanto A, Wibowo H, Kusdiyarto P. Peningkatan kompetensi guru melalui pelatihan skema welding inspector basic untuk materi welding proses. INOTEKS [Internet]. 2026 Apr. 1 [cited 2026 May 13];30(1). Available from: https://journal.uny.ac.id/index.php/inotek/article/view/90783