ID:DA11366933
International Potato Center. Unidad de Ciencias Sociales
International Potato Center. Social Science Dept
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Enrique Mayer ; research assistance, map development, and graphics by Richard C. Shea
Centro Internacional de la Papa, Social Science Unit 1979 [i.e. 1980]
Available at 5 libraries
Douglas E. Horton
Social Science Unit, International Potato Center [1978]
Available at 2 libraries
International Potato Center, Social Science Department
International Potato Center