1. Erasmus (1956) is a classic -- and still useful -- overview of work groups. Saul's (1983) economic analysis of group labor in a Voltaic (now Burkinabe) village is one of the best-known case studies in Africa.

2. See M.P. Stone et al. (1995) on the gendered division of labor in Kofyar agriculture.

3. See:

3. See: 4. See: