Complementary and Single Variational Principles for Investigating Harmonic Eddy-Current in a Thick Sheet. J. eng. sustain. dev. [Internet]. 2006 Dec. 1 [cited 2024 May 19];10(4):53-64. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1771