EFFECT OF THE USE OF SLOW SAND FILTERSTOWARD DECREASING SALINITY LEVELS AT WELL AT GAMPONG UJONG BLANG SUB DISTRICT KUTABARO, ACEH BESAR. (2016). Proceeding International Conference (SBC-MEA) 2016, 1(1), 276-283. https://jurnal.abulyatama.ac.id/index.php/mea2016/article/view/610