Ridwan, M., Afnimar, A., Widiyantoro, S., Irsyam, M. and Yamanaka, H. (2014) “Estimation of S-wave Velocity Structures by Using Microtremor Array Measurements for Subsurface Modeling in Jakarta”, Journal of Mathematical and Fundamental Sciences, 46(3), pp. 313-327. doi: 10.5614/j.math.fund.sci.2014.46.3.9.