Yusuf, Siti Agrippina Alodia, dan Muhammad Imam Dinata. “Features Extraction on Cleft Lip Speech Signal Using Discrete Wavelet Transformation”. Jurnal Teknologi Informasi Dan Multimedia, vol. 6, no. 2, Juli 2024, hlm. 161-7, https://doi.org/10.35746/jtim.v6i2.545.