Asep Akmal Fadia Nurhalim, Rahma Alliya Aqquilla, Najmi Hiyan Fathinah, Rizki Zakwandi, Alfiansah Sandian Prakoso and Ika Mustika Sari 2025. Designing A Doppler Effect Experiment Using Smartphone Sound Sensor. Jurnal Teori dan Aplikasi Fisika. 13, 02 (Aug. 2025). DOI:https://doi.org/10.23960/jtaf.v13i02.511.