Putri, An Nisa Az Zahra Anindya, et al. “ Pengembangan Kartu Detik (Domino Matematika) Materi Penjumlahan Di Sekolah Dasar”. Innovative: Journal Of Social Science Research, vol. 3, no. 2, June 2023, pp. 14478-86, https://j-innovative.org/index.php/Innovative/article/view/2071.