Bilkis, A., Miah, K.A., Sultana, A., Parvin, M.S., Mittra, C.R. and Saha, A.K. 2020. Customer relationship management in a tertiary level hospital. Asian Journal of Medical and Biological Research. 6, 3 (Oct. 2020), 599–607. DOI:https://doi.org/10.3329/ajmbr.v6i3.49814.