Ortiz-Paniagua, Dr. Carlos F., and Carlos Timoteo Cervantes-González. “Defensive Expenditures: The Hidden Face of Blackberry Competitiveness in Michoacán, Mexico”. Ecosistemas Y Recursos Agropecuarios, vol. 12, no. 1, Apr. 2025, https://doi.org/10.19136/era.a12n1.3831.