ASHWINI V.NANDURKAR; SHRIKANT J. HONADE; NITIN N. MANDAOGADE. HR-NMF MODELING FOR EXTERNAL NOISE REMOVAL OF NON-STATIONARY SIGNALS. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, p. 1–5, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/1250. Acesso em: 26 oct. 2025.