Erasmus, Alet C. (Aletta Catharina); Donoghue, Sune; Sonnenberg, Nadine Cynthia(South African Association of Family Ecology and Consumer Sciences, 2011)
Van der Merwe, Xania; Sonnenberg, Nadine Cynthia; Van der Merwe, Daleen; Kempen, Elizabeth(South African Association of Family Ecology and Consumer Sciences, 2008)