Transmission Loss Estimation of Underwater Sound Based on the Noise Intensity Emmited by MV. Pengayoman IV in Tanjung Intan Cruise Line, CilacapLesa Triwahyanti, Ajeng Sekar Cyndana, Yessy Hurly Sefnianti, Ratna Juita Sari and Amron AmronE3S Web Conf., 47 (2018) 04011DOI: https://doi.org/10.1051/e3sconf/20184704011