Huynh , N. H. and Mai , . T. T. H. (2012) “Studying Solutions to Enhance the Quality of Casting Pressure Products by Ultrasonic Testing”, Journal of Technical Education Science, 7(1), pp. 1–4. Available at: https://www.jte.edu.vn/index.php/jte/article/view/693 (Accessed: 7 April 2026).