Ontleding van genoteerde maatskappye, boubedryf en konstruksie, suiker, chemikaliee, drank en hotelle gelees te world saam met verslag A 5 A, 1978 - Analysis of quoted companies, building and construction, sugar, chemicals, beverages and hotels to be read together with report A 5 E, 1978

Ontleding van genoteerde maatskappye, boubedryf, suiker, chemikalie͏̈, drank en hotelle 1971 - Analysis of quoted companies, building industry, sugar, chemicals, beveregas and hotels

(1972)

Ontleding van genoteerde maatskappye, boubedryf, suiker, chemikalie, drank en hotelle, 1972 - Analysis of quoted companies, building industry, sugar, chemicals, beverages and hotels, 1972

(1973)

Ontleding van genoteerde maatskappye, boubedryf, suiker, chemikalie, drank en hotelle, 1973 - Analysis of quoted companies, building industry, sugar, chemicals, beverages and hotels

(1975)