Retnosari, Giwang Yayi, Irwanto Irwanto, and Lilik Herawati. “Prevalence and Characteristics of Sleep Problems of Indonesian Children in – 36 Months Old”. JKKI : Jurnal Kedokteran dan Kesehatan Indonesia 12, no. 1 (April 30, 2021): 28–33. Accessed November 18, 2024. https://journal.uii.ac.id/JKKI/article/view/17010.