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1Digital revistaSCIELO
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2Digital revistaSCIELO
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3by Dippenaar,Susan M., Dippenaar-Schoeman,Ansie S., Modiba,Mokgadi A., Khoza,Thembile T.
Published 2008Digital revistaSCIELO -
4by McGeoch,Melodie A, Sithole,Hendrik, Samways,Michael J, Simaika,John P, Pryke,James S, Picker,Mike, Uys,Charmaine, Armstrong,Adrian J, Dippenaar-Schoeman,Ansie S, Engelbrecht,Ian A, Braschler,Brigitte, Hamer,Michelle
Published 2011Digital revistaSCIELO