1816-89491816-8949S1816-8949202100020015710.18004/anales/2021.054.02.157ParaguayParaguay0008202100082021542157158202040Supl. 2Supl. 2104-152019173323-4020161833199-202Red de Indicadores de Ciencia Interamericana e Iberoamericana202120202922202036764816481963-420203133