Ibrahim, R.K. 2026. The impact of climate change on extreme events: A comparative study of climate contracts in Iraq using SPI-12, TX90p, and RX1day indices. Journal of Tikrit University for Humanities. 33, 7, 2 (Jul. 2026), 74–91. DOI:https://doi.org/10.25130/jtuh.33.7.2.2026.5.