[1] Badash, I., Kleinman, N. P., Barr, S., Jang, J., Rahman, S., & Wu, B. W. (2017). Redefining health: the evolution of health ideas from antiquity to the era of value-based care. Cureus, 9(2).
[2]Sezgin, E., &Özkan, S. (2013, November). A systematic literature review on Health Recommender Systems. In 2013 E-Health and Bioengineering Conference (EHB) (pp. 1-4). IEEE.
[3] Isinkaye, F. O., Folajimi, Y. O., &Ojokoh, B. A. (2015). Recommendation systems: Principles, methods and evaluation. Egyptian informatics journal, 16(3), 261-273.