Setyowati, Anggi, Min-Huey Chung, and Ah. Yusuf. “Development of Self-Report Assessment Tool for Anxiety Among Adolescents: Indonesian Version of the Zung Self-Rating Anxiety Scale”. Journal of Public Health in Africa 10, no. s1 (October 30, 2019). Accessed September 20, 2021. https://publichealthinafrica.org/index.php/jphia/article/view/1172.