Prasad, Bipin Kishore, Abhijit Basu, and Ajay Kumar Rai. 2021. “A Study on Satisfaction Levels Among Hearing Aid Users in Gangetic Plains”. Bengal Journal of Otolaryngology and Head Neck Surgery 28 (3). Kolkata, India:203-8. https://doi.org/10.47210/bjohns.2020.v28i3.286.