BUTAR, D. B. B.; ERIZON, N.; KARUDIN, A.; PRIMAWATI, P. The freedom to learn-independent campus curriculum for shielded metal arc welding: A teaching module development. Jurnal Pendidikan Teknologi Kejuruan, Padang, Indonesia, v. 7, n. 4, p. 245–256, 2024. DOI: 10.24036/jptk.v7i4.40223. Disponível em: https://jptk.ppj.unp.ac.id/index.php/jptk/article/view/402. Acesso em: 22 jan. 2025.