Ahmed, G., Abdulsamad, A., & Gereffi, G. (2013). U.S. Coal and the Technology Innovation Frontier: What Role Does Coal Play in Our Energy Future? Durham, NC: Duke Center on Globalization, Governance & Competitiveness.

Ahmed, G., A. Abdulsamad, and G. Gereffi. “U.S. Coal and the Technology Innovation Frontier: What Role Does Coal Play in Our Energy Future?” Durham, NC: Duke Center on Globalization, Governance & Competitiveness, February 2013.

Ahmed G, Abdulsamad A, Gereffi G. U.S. Coal and the Technology Innovation Frontier: What Role Does Coal Play in Our Energy Future? Durham, NC: Duke Center on Globalization, Governance & Competitiveness; 2013 Feb.

Ahmed, G., et al. U.S. Coal and the Technology Innovation Frontier: What Role Does Coal Play in Our Energy Future? Duke Center on Globalization, Governance & Competitiveness, Feb. 2013.

Ahmed G, Abdulsamad A, Gereffi G. U.S. Coal and the Technology Innovation Frontier: What Role Does Coal Play in Our Energy Future? Durham, NC: Duke Center on Globalization, Governance & Competitiveness; 2013 Feb.