“Complementary and Single Variational Principles for Investigating Harmonic Eddy-Current in a Thick Sheet”. Journal of Engineering and Sustainable Development 10, no. 4 (December 1, 2006): 53–64. Accessed July 3, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1771.