Cung, Thanh Long, Dang Thanh Bui, Duc Thinh Dao, and Van Tung Nguyen. “Design and Realization of a Non-Destructive Testing Device Operating on Eddy Current Principle”. Old Journal, no. 120C (May 15, 2017): 47–51. Accessed August 2, 2025. https://jst.vn/index.php/old/article/view/840.