Marx-Pienaar, Nadene Johanna Maria Magdalena; Erasmus, Alet C. (Aletta Catharina)(South African Association of Family Ecology and Consumer Sciences, 2006)
Van der Merwe, Xania; Sonnenberg, Nadine Cynthia; Van der Merwe, Daleen; Kempen, Elizabeth(South African Association of Family Ecology and Consumer Sciences, 2008)