Reuben K. Udo

• Geographical regions of Nigeria
• Population census in Nigeria
• A comprehensive geography of West Africa
• The human geography of tropical Africa
• Food production and agricultural development strategies in Nigeria
• Land policy for effective management of the national economy
• Land use policy and land ownership in Nigeria
• Land use policy and land ownership in Nigeria
• Migrant tenant farmers of Nigeria
• Population Education
• Population education source book for sub-Saharan Africa
• The Land Use Decree 1978 and land ownership in Nigeria