SARUKSUK, F. W. H.; SIHOMBING, L. N.; SIJABAT, D. The Influence of Numbered Head Together (NHT) Cooperative Learning Model on Student Learning Outcomes Theme 2 Subtheme 1 "Harmony in Differences" in Class VI Students at UPTD SD Negeri 124385 Pematang Siantar. International Journal of Global Sustainable Research, [S. l.], v. 1, n. 2, p. 217–224, 2023. DOI: 10.59890/ijgsr.v1i2.648. Disponível em: https://journal.multitechpublisher.com/index.php/ijgsr/article/view/648. Acesso em: 12 may. 2026.