Tintaya-Duran, Humberto, and Richard Sullca-Cáceres. 2019. “National Program of Solidarity Assistance Pension 65 and Welfare Social of Beneficiaries in the Districts of Puno and Chucuito”. Revista Revoluciones 1 (1): 43-55. https://doi.org/10.35622/j.rr.2019.01.005.