Wulandari, Sholihah Ayu, Tri Budi Santoso, and I Gede Puja Astawa. 2019. “Adaptive Code With Non-Uniform Modulation on OFDM Subcarriers Modeling for Underwater Acoustic Environment”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 11 (3):1-5. https://jtec.utem.edu.my/jtec/article/view/4945.