Kusma, I.K. and Purwanti , R. 2022. Mengembangkan Kemampuan Mengenal Lambang Bilangan Melalui Model Direct Instruction, Numbered Head Together dan Media Puzzle. Gawi: Journal of Action Research. 2, 2 (Dec. 2022), 54–62. DOI:https://doi.org/10.59329/gawi.v2i2.160.