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The demography of tropical Africa
Brass, William, (1968)
The demographic dividend in Sub-Saharan Africa : two issues that need more attention
May, John F., (2017)
African demography
Guengant, Jean-Pierre, (2013)
African traders in Central Sierra Leone
Dorjahn, Vernon R., (1962)
The changing political system of the Temne
Dorjahn, Vernon R., (1960)
Migration in central Sierra Leone : the Temne chiefdom of Kolifa Mayoso
Dorjahn, Vernon R., (1975)