Pillay, Kirthee, Muthulisi Siwela, John Derera, and Frederick Veldman. 2011. “Consumer Acceptance of Yellow, Provitamin A-Biofortified Maize in KwaZulu-Natal”. South African Journal of Clinical Nutrition 24 (4), 186-91. http://sajcn.co.za/index.php/SAJCN/article/view/531.