PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE NUMBERED HEAD TOGETHER (NHT) TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA MAN 1 MEDAN. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 1, p. 667–672, 2026. DOI: 10.54314/jssr.v9i1.5573. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/5573.. Acesso em: 10 jul. 2026.