P.V.Nandhini, S.Narmadha, Y.Priyanka, and Mr.T.Viswanathkani M.E.,. “Data Analysis of Consumer Complaints in Banking Industry Using K-Mean Clustering and Sentiment Analysis”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 9, no. 2, June 2021, pp. 119-26, https://ijiarec.com/ijiarec/article/view/148.