Ediati, Annastasia, and Agustini Utari. “Assessing Worry in Children: Psychometric Evaluation of the Indonesian Version of the Penn State Worry Questionnaire for Children (PSWQ-C)”. Journal of Educational, Health and Community Psychology 8, no. 1 (March 10, 2019). Accessed April 3, 2025. https://journal.uad.ac.id/index.php/Psychology/article/view/10527.