Le Roux, M., C. Walsh, M. Reid, and J. Raubenheimer. “Diabetes-Related Knowledge, Attitude and Practices (KAP) of Adult Patients With Type 2 Diabetes Mellitus in the Free State Province, South Africa”. South African Journal of Clinical Nutrition, Vol. 32, no. 4, Dec. 2019, p. 21, http://www.sajcn.co.za/index.php/SAJCN/article/view/1291.