Ruffini, M. (2009). State and agricultural policy within Argentina’s southern border: Rio Negro’s national territory (1916-1930). Universidad Autónoma de Baja California.

Ruffini, Martha. State and Agricultural Policy Within Argentina’s Southern Border: Rio Negro’s National Territory (1916-1930). Universidad Autónoma de Baja California, 2009.

Ruffini, Martha. State and Agricultural Policy Within Argentina’s Southern Border: Rio Negro’s National Territory (1916-1930). Universidad Autónoma de Baja California, 2009.