Simulasi Sistem Monitoring Pasang Surut Air Laut Dan Peringatan Dini Tsunami Menggunakan Sensor Hc-Sr04: Simulation of Sea Water Tide Monitoring and Tsunami Early Warning System Using HC-SR04 Sensor . JEITECH [Internet]. 28 Juni 2023 [dikutip 10 Oktober 2025];1(1):67-75. Tersedia pada: https://journal.unram.ac.id/index.php/jeitech/article/view/2848