Marx-Pienaar, Nadene Johanna Maria Magdalena; Erasmus, Alet C. (Aletta Catharina)(South African Association of Family Ecology and Consumer Sciences, 2006)
Erasmus, Alet C. (Aletta Catharina); Donoghue, Sune; Sonnenberg, Nadine Cynthia(South African Association of Family Ecology and Consumer Sciences, 2011)