Tjan, V. W. “Pulmonary Hypertension in Patient With Acyanotic Congenital Heart Defects in Abdul Wahab Sjahranie General Hospital, Samarinda from 2015-2016”. Cardiovascular and Cardiometabolic Journal (CCJ), vol. 1, no. 2, Sept. 2020, pp. 45-49, doi:10.20473/ccj.v1i2.2020.45-49.