Charlene, C., L. Thamrin, and L. Lusi. “Analysis of Learning Difficulties in Mandarin Among Fifth-Grade Students at Gembala Baik II Elementary School”. Edumaspul: Jurnal Pendidikan, Vol. 8, no. 2, Oct. 2024, pp. 3306-8, https://ummaspul.e-journal.id/maspuljr/article/view/8447.