Saleh, S. ., Ismail, W. ., Zainal Abidin, I. S. ., & Jamaluddin, M. H. . (2020). 5G Hairpin and Interdigital Bandpass Filters. International Journal of Integrated Engineering, 12(6), 71-79. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/6284