Anggraeni, F., S. Andayani, and . D. Rahmawati. “Analysis of Students’ Mastery Levels in Using Integer Operations in Elementary School Mathematics Learning”. International Journal of Multidisciplinary Research of Higher Education (IJMURHICA), vol. 8, no. 1, Jan. 2025, pp. 1-13, doi:10.24036/ijmurhica.v8i1.283.