AL-RAWASHDEH, A. Y.; AL-QADI, Z. Using Wave Equation to Extract Digital Signal Features. Engineering, Technology & Applied Science Research, Greece, v. 8, n. 4, p. 3153–3156, 2018. DOI: 10.48084/etasr.2088. Disponível em: https://etasr.com/index.php/ETASR/article/view/2088. Acesso em: 18 jul. 2024.