Hariyanto, H. (2014) “THE WINDOW OF OPPORTUNITY: Memahami Aspek Penting Masa Perkembangan Anak Usia Dini”, LISAN AL-HAL: Jurnal Pengembangan Pemikiran dan Kebudayaan, 8(2), pp. 335–348. Available at: https://journal.ibrahimy.ac.id/index.php/lisanalhal/article/view/136 (Accessed: 14 February 2026).