Katharina, E., S. Jonathan, M. Meuraxa, J. Karlina, and H. Sipayung. “A 22-Year-Old Woman With Eisenmenger Due to Atrial Septal Defect; A Case Report”. International Journal of Education, Information Technology, and Others, Vol. 7, no. 1, Jan. 2024, pp. 1-6, doi:10.5281/zenodo.10461852.