Iswanto, Eko Rudi, et al. “Studi Mikrotremor Dengan Metode Horizontal to Vertical Spectral Ratio (HVSR) Di Tapak RDE, Serpong”. EKSPLORIUM, vol. 40, no. 2, Nov. 2019, pp. 105-14, doi:10.55981/eksplorium.2019.8030.