Bandhopadhyay, A., Chaterjee, I. and Dey, S. 2019. A comparative study of phonetogram parameters among female trained Hindustani classical singers, untrained singers and non-singers. International Journal of Otorhinolaryngology and Head and Neck Surgery. 5, 6 (Oct. 2019), 1527–1532. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20194922.