HARIYANTO, Hariyanto. THE WINDOW OF OPPORTUNITY: Memahami Aspek Penting Masa Perkembangan Anak Usia Dini. LISAN AL-HAL: Jurnal Pengembangan Pemikiran dan Kebudayaan, [S. l.], v. 8, n. 2, p. 335–348, 2014. Disponível em: https://journal.ibrahimy.ac.id/index.php/lisanalhal/article/view/136. Acesso em: 14 feb. 2026.