D. MOHAN; K. Anitha SHEELA. Performance Improvement in Speech Enabled IVR Systems Using Artificial Band Width Extension: Recent Development. Advanced Aspects of Engineering Research Vol. 6, [S. l.], p. 130–139, 2021. DOI: 10.9734/bpi/aaer/v6/8002D. Disponível em: https://stm.bookpi.org/AAER-V6/article/view/1006. Acesso em: 3 jun. 2026.