Arif Marwanto, Heri Wibowo, Sutopo, Ardani Ahsanul Fakhri, Komar Roni. Increasing Teacher Competency through Training on Non-Destructive Testing Methods for Welding (NDT) for Teachers in Kulonprogo Regency. JVARS [Internet]. 2024 Dec. 15 [cited 2024 Dec. 26];1(2). Available from: https://journal.uny.ac.id/publications/jvars/article/view/809