Darmawan RS, Nugroho P, Suwastono A. Simulasi Modulator Quadrature Phase Shift Keying (QPSK) Menggunakan Simulink. Prosiding Seminar Nasional ReTII [Internet]. 2017Mar.7 [cited 2024May4];00. Available from: //journal.itny.ac.id/index.php/ReTII/article/view/443