Minarista Limbong, Evlin, and Sri Lestari Mnurung. “Peningkatan Kemampuan Komunikasi Matematis Siswa Melalui Model Pembelajaran Kooperatif Tipe Numbered Head Together Berbantuan Video Pembelajaran Di Smp 6 Kisaran”. Journal of Comprehensive Science (JCS) 1, no. 3 (October 26, 2022): 451–459. Accessed December 22, 2024. https://jcs.greenpublisher.id/index.php/jcs/article/view/68.