Osama Abdelsalam Jothr and Anas Dheyab Salim 2025. Studying The Impact of Investment in Renewable Energy Infrastructure On Solar Energy Consumption, taking into Account the Role of Human Capital, Financial Development, And Energy Policy in The Arab Gulf Countries Using The PSTR Method. Tikrit Journal of Administrative and Economic Sciences. 21, 71 part 1 (Sep. 2025), 18–32. DOI:https://doi.org/10.25130/tjaes.21.71.1.2.