Indrayanti, D., I. Chairani, N. Fadhilah Rizki, R. Khoiriyah Amini, W. Sherly Utami, and R. Surya Amanda. “Stacking Box Games to Stimulate Problem-Solving Skills in Children Aged 4-6 Years”. Journal of Islamic Education Students (JIES), vol. 4, no. 2, Nov. 2024, pp. 232-40, doi:10.31958/jies.v4i2.12374.