Rukiati, Endang. “PENINGKATAN MOTIVASI BELAJAR IPS DENGAN PENERAPAN MODEL PEMBELAJARAN NUMBERED HEADS TOGETHER”. JIPSINDO 3, no. 1 (June 14, 2016): 24–43. Accessed February 27, 2026. https://journal.uny.ac.id/index.php/jipsindo/article/view/9664.