J. A. Guillermo Salmerón, J. Alvarez Botello, and E. M. Chaparro Salinas, Trans., “Writing deficiency in first grade students, group ‘A’ of primary education”, RILCO, vol. 7, no. 71, pp. 75–89, Oct. 2025, doi: 10.51896/rilcods.v7i71.989.