Dadhich, Ajay, and J. K. Deegwal. “Multiband Microstrip Patch Antenna With Rectangular Slots on Patch for Bluetooth and C-Band Applications”. International Journal of Engineering & Technology, vol. 7, no. 1.2, Dec. 2017, pp. 191-3, https://doi.org/10.14419/ijet.v7i1.2.9064.