Ng, F. C. ., M. H. . Zawawi, L. H. . Tung, M. A. . Abas, and M. Z. . Abdullah. “Symmetrical Unit-Cell Numerical Approach for Flip-Chip Underfill Flow Simulation”. CFD Letters, vol. 12, no. 8, Jan. 2021, pp. 55-63, https://akademiabaru.com/submit/index.php/cfdl/article/view/3276.