Dwinata, A., A. Kurnia, A. H. Wigena, and M. N. Aidi. “MULTILEVEL ITEM RESPONSE THEORY MODEL USING MML-GHQ METHOD FOR HIERARCHICAL DATA”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 20, no. 4, Aug. 2026, pp. 3259-70, doi:10.30598/barekengvol20iss4pp3259-3270.