Mkontwana, P., L. Steenkamp, and J. von der Marwitz. “Challenges in the Implementation of the Infant and Young Child Feeding Policy to Prevent Mother-to-Child Transmission of Human Immunodeficiency Virus in the Nelson Mandela Bay District”. South African Journal of Clinical Nutrition, Vol. 26, no. 2, Feb. 2013, pp. 75-82, http://sajcn.co.za/index.php/SAJCN/article/view/671.