Setyarini, Norma, Sri Sularti Dewanti, and Yuli Kurniawati Sugiyo Pranoto. “The Effectiveness of Singing Methods and Demonstration Methods to Improve Understanding of Sexual Education in Early Childhood”. Journal of Primary Education 10, no. 2 (June 30, 2021): 207-217. Accessed July 18, 2024. https://journal.unnes.ac.id/sju/jpe/article/view/48702.