Fekri Ahmed Lahmood and Bakr Hamid Jassum 2024. Effectiveness of external loans and their impact on research and development in Iraq for the period (2004-2022). Tikrit Journal of Administrative and Economic Sciences. 20, 67, part 2 (Sep. 2024), 135–150. DOI:https://doi.org/10.25130/tjaes.20.67.2.8.