Die tydruimtelike variasie in die fluoriedinhoud vannatuurlike drinkwater en in die voorkoms van tandfluorose, die verband tussen hierdie veranderlikes asook hulle kovariasie is op 'n hoe resolusievlak in geselekteerde ...

The first fully enclosed, airconditioned shopping mall in a black township in South Africa opened in 1979 in Umlazi, outside Durban. The provincial development corporation (lthala) spearheaded emerging market shopping centre ...