Nicholas, D. D., Ampofo, D. A., Ofosu-Amaah, S., Asante, R. O., & Neumann, A. K. (1976). Attitudes and practices of traditional birth attendents in rural Ghana: Implications for training in Africa. World Health Organization.

Nicholas, D. D., D. A. Ampofo, S. Ofosu-Amaah, R. O. Asante, and A. K. Neumann. Attitudes and Practices of Traditional Birth Attendents in Rural Ghana: Implications for Training in Africa. World Health Organization, 1976.

Nicholas, D. D., et al. Attitudes and Practices of Traditional Birth Attendents in Rural Ghana: Implications for Training in Africa. World Health Organization, 1976.