Zebua, W., Harefa, A. O. and 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), pp. 199–205. doi: 10.57235/qistina.v2i1.568.