Panggabean, H. T., F. Fatima, P. K. H. Tanjung, S. Ritonga, and W. Wahyudi. “THE INFLUENCE OF STRESS LEVELS ON ACNE VULGARIS IN STUDENTS OF STATE ISLAMIC UNIVERSITY NORTH SUMATERA MEDAN”. HEARTY, vol. 13, no. 3, June 2025, pp. 715-23, doi:10.32832/hearty.v13i3.19997.