Vernanda, S. D. A., and P. Rahayu. “VALIDITY OF A MULTIPLE-LITERACY-BASED STATISTICS TEXTBOOK ON THE ISSUE OF STUNTING”. JUPIKA: JURNAL PENDIDIKAN MATEMATIKA, vol. 9, no. 1, June 2026, pp. 106-1, doi:10.37478/jupika.v9i1.7987.