Bustamante-Valdés, Matías, and Danilo Díaz-Levicoy. “Validation of a Training Proposal on Statistical Graphics for 5th and 6th Grade Students of Multigrade Rural Primary School, Chile”. European Public & Social Innovation Review, vol. 11, Sept. 2025, pp. 1-21, doi:10.31637/epsir-2026-1918.