Influence of pore water pressure to seepage and stability of embankment dam (case study of Sermo Dam Yogyakarta, Indonesia)Undayani Cita Sari, Sri Prabandiyani Retno Wardani, Suharyanto and Windu PartonoMATEC Web Conf., 101 (2017) 05007DOI: https://doi.org/10.1051/matecconf/201710105007