TY - JOUR A1 - Kerr, R.B. T1 - Informal labor and social relations in Northern Malawi: The theoretical challenges and implications of Ganyu labor for food security Y1 - 2005 DO - 10.1526/0036011054776370 JF - Rural Sociology VL - 70 IS - 2 SP - 167 EP - -187 ER -