Manalu, E. J., Sainuddin, S. and Arisha, B. (2026) “The Effectiveness of the NHT (Numbered Heads Together) Cooperative Learning Model in Improving Students’ Learning Outcomes on Algebra Material”, OMEGA: Jurnal Keilmuan Pendidikan Matematika, 5(2), pp. 268–277. doi: 10.47662/jkpm.v5i2.1294.