Sari, M., Julisti, V., Putri, Z.D. and Sameto, M.B. 2025. The Application of Mutual Cooperation on the Social Development of Children Aged 5-6 Years. Ahlussunnah: Journal of Islamic Education. 4, 3 (Dec. 2025), 779–784. DOI:https://doi.org/10.58485/jie.v4i3.546.