ABALDE, Nemuel Janery. Adopting the Innovated Jigs and Fixtures for Pipe Welding Process. Excellencia: International Multi-disciplinary Journal of Education (2994-9521), [S. l.], v. 1, n. 4, p. 1–21, 2023. DOI: 10.5281/. Disponível em: https://multijournals.org/index.php/excellencia-imje/article/view/40. Acesso em: 9 nov. 2025.