Puspitasari, Ratna Nila, Safiruddin Al Baqi, and Ima Frafika Sari. 2025. “Prosocial Behavior Among Preschool Children in Coastal and Highland Regions of East Java: A Descriptive Comparative Study”. Golden Age: Jurnal Ilmiah Tumbuh Kembang Anak Usia Dini 10 (3):459-69. https://doi.org/10.14421/jga.2025.103-03.