Modelling Technique for the Assessment of the Sub-Soil Drain for Groundwater Seepage RemediationMohamad Faizal Tajul Baharuddin, Saiful Azhar Ahmad Tajuddin, Mohd Hazreek Zainal Abidin and Aziman MadunMATEC Web Conf., 103 (2017) 04010DOI: https://doi.org/10.1051/matecconf/201710304010