Miftahul Walid, Hozairi, Madukil Makruf. Analysis and Development of Seawater Density Measurement Algorithms Using Arduino Uno and YL-69 Sensor . J. RESTI (Rekayasa Sist. Teknol. Inf.) . 2020;4(5):951-956. doi:10.29207/resti.v4i5.2430