جثير سعدون حمود, and حوشي هند نعيم. “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, vol. 24, no. 109, Dec. 2018, p. 51, https://doi.org/10.33095/jeas.v24i109.1536.