Sowden, Marwyn, Debbi Marais, and Ronel Beukes. 2009. “Factors Influencing High Socio-Economic Class Mothers’ Decision Regarding Formula Feeding Practices in the Cape Metropole”. South African Journal of Clinical Nutrition 22 (1). http://www.sajcn.co.za/index.php/SAJCN/article/view/244.