5   Artículos

 
en línea
Talita Greyling    
AbstractGauteng, the economic centre of South Africa, attracts many migrants from across the African continent and other regions in South Africa: almost 44% of the total population are migrants. In this study, a composite index is constructed and the qua... ver más
Revista: Journal of Economic and Financial Sciences (JEF)    Formato: Electrónico

 
en línea
Kenné de Kock, Corrie Wolmarans     Pág. 183 - 195
The genus Pisidium includes some of the smallest bivalves in the family Sphaeriidae. The distribution of this group is cosmopolitan and they can utilize virtually any freshwater habitat,including peat bogs. Without doubt their centre of evolution ... ver más
Revista: South African Journal of Science and Technology    Formato: Electrónico

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