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1by Pattanayak, Subhrendu K., van den Berg, Caroline, Yang, Jui-Chen, Van Houtven, George
Published 2006-01bibliotecaBanco Mundial -
2by Yang, Jui-Chen, Pattanayak, Subhrendu K., Jonson, F. Reed, Mansfield, Carol, van den Berg, Caroline, Jones, Kelly
Published 2006-01bibliotecaBanco Mundial