Nada Q, Herdiana I, Andriani F. Testing the validity and reliability of the Depression Anxiety Stress Scale (DASS)-21 instrument for individuals with psychodermatology. Psikohumaniora J. Penelit. Psikol. [Internet]. 2022 Oct. 13 [cited 2024 Dec. 22];7(2):153-68. Available from: https://journal.walisongo.ac.id/index.php/Psikohumaniora/article/view/11802