Billu, C., Nelaturu, H., Pallikonda, S. S., Taanguturi, J., Udatha, T., M, S. and Y, P. C. (2025) “Cost effectiveness of therapeutic care of chronic obstructive pulmonary disease (copd) patients in tertiary hospitals.”, International Journal of Health Care and Biological Sciences. India, 6(3), pp. 4-8. doi: 10.46795/ijhcbs.v6i3.723.