1. New Technologies and Development;Johnston,1986
2. Cost Effectiveness and Benefits of Photovoltaic in The Gambia;Able-Thomas,1994
3. Marketing Strategies for PV Dissemination in The Gambia;Able-Thomas,1994
4. Technology Transfer of Photovoltaic Systems to Developing Countries;Able-Thomas,1995
5. Photovoltaics for The Gambia - Implementation Strategies for Renewable Energy Technology Transfer;Able-Thomas,1994