Prakoso, Indro, Ayu Anggraeni Sibarani, Sarah Nurmalawati, and Valent Okky Nurcahya. “Prototype Game Education Number Box Toys Sebagai Upaya Mengembangkan Keterampilan Kognitif Dan Motorik Anak”. SPECTA Journal of Technology 8, no. 1 (June 30, 2024): 22–35. Accessed June 27, 2025. https://journal.itk.ac.id/index.php/sjt/article/view/1080.