Kochi, I., R. A. Ponce Rodríguez, and M. Saldaña Hernández. “Optimal Linear Taxation for Economies With Altruism”. Noesis. Journal of Social Sciences and Humanities, vol. 22, no. 43-1, Sept. 2021, pp. 162-85, doi:10.20983/noesis.2013.1.9.