Mulinge Mukumbu, John M. Staatz, Thomas S. Jayne, John Duncan, Julie A. Howard, John N. Ferris, Bethel Nakaponda, Abdel Kader Sanankoua, Francis Keita, Kim Aldridge, Mattias K.A. Lundberg,
Trends in Real Food Prices in Six Sub-Saharan African Countries Research Papers in Economics. ,(1996)