[1]
A. Bilkis, K. A. Miah, A. Sultana, M. S. Parvin, C. R. Mittra, and A. K. Saha, “Customer relationship management in a tertiary level hospital”,
Asian J. Med. Biol. Res.
, vol. 6, no. 3, pp. 599–607, Oct. 2020.