Fachriyyati, Dyah, Hartono Hartono, and Endang Susilaningsih. “Expression Analysis With Socio Emotion Attitude in Singing Activity of 5-6-Year-Old Children”. Journal of Primary Education 10, no. 1 (March 31, 2021): 9-18. Accessed April 20, 2024. https://journal.unnes.ac.id/sju/jpe/article/view/37881.