Mahmoud WA, Saleh ZJM, Wafi NK. The Determination of Critical-Sampling Scheme of Preprocessing for Multiwavelets Decomposition as 1st and 2nd Orders of Approximations. alkej. 2017;1(1):26-37. Accessed January 4, 2026. https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/18