Homaei, Maryam, Ehsan Sadeh, Zeinolabedin Amini Sabegh, and Alireza Afsharnejad. 2021. “Presenting a Competency Model of Treatment Managers With a Qualitative Method of Passive Defense in Hospitals”. Chronic Diseases Journal 9 (4):167-78. https://doi.org/10.22122/cdj.v9i4.635.