Uma Rani. “Knowledge Regarding Self-Care Among Chronic Obstructive Pulmonary Disease Patients in Selected Hospitals of Hisar, Haryana”. Innovational: Journal of Nursing and Healthcare, vol. 11, no. 3, Sept. 2025, pp. 25-28, https://www.innovationaljournals.com/index.php/ijnh/article/view/1082.