1. At home in the village: Growing up Achioli;Apoko,1967
2. Altruism and prosocial behavior;Batson,1998
3. Age and sex differences in children's responses to babies: Effects of adult's caretaking requests and instructions;Berman;Child Development,1984
4. African children's play and the emergence of the sexual division of labor;Bloch,1994
5. When toddlers provide care: Infants' companion space;Braten;Childhood,1996