HUYNH , N. H.; MAI , . T. T. H. Studying Solutions to Enhance the Quality of Casting Pressure Products by Ultrasonic Testing. Journal of Technical Education Science, [S. l.], v. 7, n. 1, p. 1–4, 2012. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/693. Acesso em: 7 apr. 2026.