Seran, Theodorina, Gallex Simbolon, Credo Betty, and Sri Bait. “Strategi Guru Dalam Meningkatkan Konsentrasi Belajar Anak Usia Dini”. Haumeni Journal of Education 5, no. 3 (November 30, 2025): 100-108. Accessed January 12, 2026. https://ejurnal.undana.ac.id/index.php/haumeni/article/view/25760.