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Ontleding van genoteerde maatskappye, klerasie, skoeisel, tekstiel, winkels, groot- en kleinhandel, voedsel en meubels, 1972 - Analysis of quoted companies, clothing, footwear, textiles, stores, wholesale and retail, food and furniture, 1972
(1973)
Ontleding van genoteerde maatskappye, klerasie, skoeisel, tekstiel, winkels, groot- en kleinhandel, voedsel en meubels, 1974 - Analysis of quoted companies, clothing, footwear, textiles, stores, wholesale and retail, food and furniture, 1974
(1977)
Ontleding van genoteerde maatskappye, klerasie, skoeisel, tekstiel, winkels, groot- en kleinhandel, voedsel en meubels, 1975 - Analysis of quoted companies, clothing, footwear, textiles, stores, wholesale and retail, food and furniture, 1975