M. I. . Alkafi and A. B. . Lubis , Trans., “Emergency Nursing Care for Mrs. R with Respiratory System Impairment due to Chronic Obstructive Pulmonary Disease (COPD) in the ICU of Vita Insani Hospital, Pematangsiantar City”, wolgitj, vol. 2, no. 3, pp. 220–227, Jul. 2026, doi: 10.31004/wolgitj.v2i3.86.