Arshad, I., Vallejera, C. A. E. and Khan, Z. A. (2018) “Finite Element Analysis of Phosphate Movement through a Clayey-Sandy Soil by using Geo-Slope Software (CTRAN/W)”, PSM Biological Research, 4(1), pp. 20-28. Available at: https://journals.psmpublishers.org/index.php/biolres/article/view/255 (Accessed: 24June2019).