Blandón, E. Z., Källestål, C., Peña, R., Perez, W., Berglund, S., Contreras, M., & Persson, L. (2017). Breaking the cycles of poverty: Strategies, achievements, and lessons learned in Los Cuatro Santos, Nicaragua, 1990–2014. Glob Health Action.

Blandón, Elmer Zelaya, Carina Källestål, Rodolfo Peña, Wilton Perez, Staffan Berglund, Mariela Contreras, ja Lars-Åke Persson. "Breaking the Cycles of Poverty: Strategies, Achievements, and Lessons Learned in Los Cuatro Santos, Nicaragua, 1990–2014." Glob Health Action 2017.

Blandón, Elmer Zelaya, et al. "Breaking the Cycles of Poverty: Strategies, Achievements, and Lessons Learned in Los Cuatro Santos, Nicaragua, 1990–2014." Glob Health Action 2017.