جثير الربيعاوي سعدون حمود, and عبد العبادي فارس احمد. “The Role Physical Service Factors in Achieving Customer Satisfaction”. Journal of Economics and Administrative Sciences, vol. 25, no. 115, Dec. 2019, pp. 41-65, https://doi.org/10.33095/jeas.v25i115.1757.