Azizi, Q. 2000. El Niño and Drought-Flood Cycles in Iran, Quarterly Journal of Geographic Research, No. 38, (in persian)
Azizi, Q., Roshani, M. 2008. Study of Climate Change in the Southern Caspian Sea Coasts Using the Mann-Kendall Method, Quarterly Journal of Geographic Research, No. 64, Summer, pp. 28-13. (in persian)
Barnston, A.2015.why are there so many ENSO indexes, instead of just one, climate.gov
Constantin, A.2021. Equatorial wave-current interactoin. Waves in flows
Ghavidel Rahimi, Y. 2004. The Effect of Large-Scale Atmospheric-Oceanic Patterns of ENSO on the Variability of Seasonal Precipitation in East Azerbaijan Province, Human Sciences Journal, No. 4, Vol. 9, Winter, pp. 132--117. (in persian)
Javanmard, S., Asiayi., M. 2003. Dictionary of Meteorological and Climatological Terms, Amir Kabir Research Institute Publications.Aghanabati, (in persian). (in persian).
Kamran, J., Ziyari, K., Zaker Haghighi, K. 2021. Explanation of Influencing Factors in the Emergence and Formation of Multi-Ethnic Urban Areas (Case Study: Dogonbadan City), Scientific and Research Quarterly Journal of Geography and Regional Planning, Year 12, No. 1, Winter, pp. 321--297. (in persian)
Khorshid Doost, A., Ghavidel Rahimi, Y. 2006. Evaluation of the Effect of ENSO on the Variability of Seasonal Precipitation in East Azerbaijan Province Using the Multivariate ENSO Index, Quarterly Journal of Geographic Research, No. 157, Fall 2006, pp. 29-15. (in persian)
Khush Akhlaq, Faramarz. 1998. The ENSO Phenomenon and Its Impact on Iran's Precipitation Regime, Geographic Research, Vol. 13, No. 4 Winter, pp. 134-121. (in persian)
Masoudian, A. 2005. The Impact of ENSO on Iran's Precipitation, Journal of Geography and Regional Development, No. 4, Spring and Summer 2005, pp. 82-73. (in persian)2
Rezai Sadr, H., Bahmanyar, A. 2013. The Relationship Between El Niño-Southern Oscillation and Drought in Southern Iran, First International Conference on Water Crisis, Zabol University, March 20-22-,. https://sid.ir/paper/809185/fa(in persian)
Yarahmadi, D. 2006. The Impact of ENSO on Iran's Precipitation Changes, Ph.D. Dissertation in Climatology, Supervisor: Dr. Qasim Azizi, Faculty of Geography, University of Tehran. (in persian)