Ifdil, I., Y. Syahputra, R. P. Fadli, N. Zola, Y. E. Putri, B. Amalianita, I. B. Rangka, K. Suranta, M. F. Zatrahadi, G. S. Sugara, D. D. B. Situmorang, and L. Fitria. “The Depression Anxiety Stress Scales (DASS-21): An Indonesian Validation Measure of the Depression Anxiety Stress”. COUNS-EDU: The International Journal of Counseling and Education, vol. 5, no. 4, Dec. 2022, pp. 205-1, doi:10.23916/0020200536840.