TY - JOUR T1 - Investigation of Subsurface Characteristics by using a Vs30 Parameter and a Combination of the Hvsr and Spac Methods for Microtremor Arrays AU - Sigit Pramono,Widjojo Prakoso,Astri Rahayu,Ariska Rudyanto,Fajri SukurRahmatullah,sofian Piandatte,Phil Cummins JO - International Journal of Technology VL - 8 IS - 6 SP - 291 EP - 319 PY - 2017 DA - 2017/12/27 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v8i6.682 UR - https://ijtech.eng.ui.ac.id/article/view/682