Wulan, Sarah, et al. “The Relationship and Consistency of Student Learning Outcomes in Differentiated Instruction: A Correlational Study on Abbreviation and Acronym Material in Elementary Schools”. QALAMUNA: Jurnal Pendidikan, Sosial, Dan Agama, vol. 18, no. 2, Oct. 2026, pp. 1277-90, doi:10.37680/qalamuna.v18i2.10281.