introduction by Joshua C. Dickinson ; sponsored by United States Agency for International Development, Bureau for Latin America and the Caribbean, Bureau of Science and Technology
Víctor Rafael Hernández-Mendible, Pedro Curvello Saavedra Avzaradel, (coordinadores) ; edición al cuidado de Carlos Antonio Agurto Gonzáles, Sonia Lidia Quequejana Mamani, Benigno Choque Cuenca