Zebua, W., Harefa, A. O., & Zega, Y. (2023). Analysis of Cognitive Mathematics Learning Outcomes Using the Number Head Together (NHT) Model at SMP Negeri 1 Gunungsitoli Idanoi Academic Year 2021/2022. QISTINA: Jurnal Multidisiplin Indonesia, 2(1), 199–205. https://doi.org/10.57235/qistina.v2i1.568