Ampomah, E. K., A. Ayensu, B. Amisigo, and O. Agbenorku. “Comparative Analysis of Laplace Transform and Finite Difference Modeling and Simulation of Solute Transport in Soil. (Case Study: Nitrate Solute Transport in Homogeneous Soil)”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 38, no. 1, Nov. 2017, pp. 235-49, https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/3507.