Hidayati, U. “Upaya Meningkatkan Kemampuan Berbicara Bahasa Jawa Melalui Cooperative Play Pada Anak Usia 4-5 Tahun Di TK Negeri 1 Kretek Bantul: Efforts to Improve Javanese Speaking Skills Through Cooperative Play in Children Aged 4-5 Years at Kindergarten 1 Kretek Bantul”. Indonesian Journal of Early Childhood: Jurnal Dunia Anak Usia Dini, vol. 6, no. 2, July 2024, pp. 338-46, doi:10.35473/ijec.v6i2.3181.