“HIDDEN KULDO, ROTATED SQUARE AND KULDO FRACTAL ANTENNAS OF 2.4 TO 5.4 GHZ”. Journal of Engineering and Sustainable Development, vol. 20, no. 3, May 2016, pp. 47-59, https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/637.