Zulherman, Dodi, Jans Hendry, and Ipam Fuadina Adam. “Comparison of Fetal-Phonocardiogram Signal Denoising Based on Real-Valued and Complex Wavelet Transform”. Jurnal Nasional Teknik Elektro dan Teknologi Informasi 9, no. 1 (February 5, 2020): 63-72. Accessed December 5, 2024. https://dev.journal.ugm.ac.id/v3/JNTETI/article/view/144.