et. al., Jaafar M. Al-alghabban ,. “QP ‘DCT and Wavelet Transfer (HAAR, DB)’ Quantization Implementation in the Frequency Domain”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 12, May 2021, pp. 152-8, doi:10.17762/turcomat.v12i12.7290.