Budiman, Donny, Andriyan B. Suksmono, and Donny Danudirdjo. “Fibonacci Sequence – Based FFT and DCT Performance Comparison in Audio Watermarking”. International Journal of Engineering and Technology 8, no. 1.9 (January 26, 2019): 209–214. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/26401.