Akkurt Eroğluer, T. and Apaydin, H. 2020. Estimation of Drought by Streamflow Drought Index (SDI) and Artificial Neural Networks (ANNs) in Ankara-Nallihan Region. Turkish Journal of Agriculture - Food Science and Technology. 8, 2 (Feb. 2020), 348–357. DOI:https://doi.org/10.24925/turjaf.v8i2.348-357.3045.