Hamzah, N. N. “An Enhanced 3D Haar Wavelet Approach for Parabolic Equations Involving Coupled Nonlinear Source Terms”. CENTRAL ASIAN JOURNAL OF MATHEMATICAL THEORY AND COMPUTER SCIENCES, Vol. 6, no. 3, May 2025, pp. 581-90, https://cajmtcs.centralasianstudies.org/index.php/CAJMTCS/article/view/786.