1. Abramson, R., Breedlove, G.K., Isaacs, B., 2006. The Community-Based Doula: Supporting Families Before, During, and After Childbirth. Zero to Three, Washington, D. C.
2. Bakst, C., Moore, J.E., George, K.E., Shea, K., 2020. Community-based maternal support services: the role of doulas and community health workers in medicaid. Report, Institute for Medicaid Innovation. Available from, https://www.medicaidinnovation.org/_images/content/2020-IMI-Community_Based_Maternal_Support_Services-Report.pdf.
3. Beets, V.D., 2014. The emergence of U.S. hospital-based doula programs. (Doctoral dissertation). University of South Carolina. Available at: https://scholarcommons.sc.edu/etd/2792.
4. Bey, A., Brill, A., Porchia-Albert, C., Gradilla, M., Strauss, N., 2019. Advancing birth justice: community-based doula models as a standard of care for ending racial disparities. Report, Ancient Song Doulas, Village Birth International, and Every Mother Counts. Available from, https://everymothercounts.org/wp-content/uploads/2019/03/Advancing-Birth-Justice-CBD-Models-as-Std-of-Care-3-25-19.pdf.
5. Continuous support for women during childbirth (Review);Bohren;Cochrane Database Syst. Rev.,2017