“The Physical Evidence Of The Product And Its Impact In Attracting The Customer AField Research for a Sample of Private Medical Clinics in Maysan”. Journal of Economics and Administrative Sciences 24, no. 109 (December 1, 2018): 51. Accessed July 23, 2024. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/1536.