E. Astiawati, “Interactive Storybook Design for Developing Early Childhood Numeracy Literacy: Desain Buku Cerita Interaktif untuk Mengembangkan Literasi Numerasi Anak Usia Dini”, ijins, vol. 26, no. 4, p. 10.21070/ijins.v26i4.1753, Oct. 2025.