Mandias, Green, Andria Wahyudi, Hendriawan Jumawan, and Raissa Camilla. “An Android Application to Evaluate Piano Playing Using Fast Fourier Transform (FFT) Algorithm”. Abstract Proceedings International Scholars Conference 5, no. 1 (October 30, 2017): 86. Accessed April 26, 2024. https://jurnal.unai.edu/index.php/isc/article/view/1581.