Polymer Gear Fault Classification Using EMD-DWT Analysis Based on Combination of Entropy and Hjorth Features. Indian Journal of Pure & Applied Physics (IJPAP), [S. l.], v. 60, n. 4, p. 339–346, 2023. DOI: 10.56042/ijpap.v60i4.58431. Disponível em: https://or.niscpr.res.in/index.php/IJPAP/article/view/2298. Acesso em: 14 may. 2026.