et. al., S. D. . “Design and Characterization Analysis of Microstrip Patch Array Antenna With Dumbell Shaped DGS for ISM Band Applications”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 9, Apr. 2021, pp. 3338-, https://turcomat.org/index.php/turkbilmat/article/view/3984.