S. M. Kayser Azam, Muhammad I. Ibrahimy, S. M. A. Motakabber, and A. K. M. Zakir Hossain. 2017. “MICROSTRIP COUPLED LINE BANDPASS FILTER WITH RADIAL STUBS FOR NARROW-BAND APPLICATIONS”. GEOMATE Journal 13 (40):183-88. https://geomatejournal.com/geomate/article/view/1390.