Ahmed, B. H., S. S. Ali, V. A. Naqshbandi, and R. A. Mohammed. “Nurses’ Knowledge Regarding Heart Failure Education Principles in Erbil Teaching Hospital: Original Article”. Erbil Journal of Nursing and Midwifery, vol. 1, no. 1, May 2018, pp. 15-22, doi:10.15218/ejnm.2018.03.