HYUN KIM, Bong; ., . Analysis of Voice Signals Change by Voice Modulation Program. International Journal of Engineering and Technology, [S. l.], v. 7, n. 3.34, p. 506–510, 2018. DOI: 10.14419/ijet.v7i3.34.19369. Disponível em: https://sciencepubco.com/index.php/IJET/article/view/19369.. Acesso em: 13 mar. 2025.