Mahmood, A.L. and Lazim, M.T. (2010) “Harmonic Phase Shifter for Discrete Amplitude Modulation Technique”,
Nahrain University College of Engineering Journal, 13(1), pp. 1–12. Available at:
https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/575 (Accessed: 16 April 2025).