The correct derivation of the relativstic Doppler effect. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 10, n. 06, p. 103–106, 2022. DOI: 10.18535/ijsrm/v10i6.aa01. Disponível em: https://ijsrm.net/index.php/ijsrm/article/view/4037.. Acesso em: 19 may. 2024.