A.S H, F.H H. Selection Drought Index Calculation Methods Using Electre, Topsis, and Analytic Hierarchy Process. IJET [Internet]. 2018 Dec. 9 [cited 2025 May 12];7(4.36):1413-8. Available from: https://mail.sciencepubco.com/index.php/IJET/article/view/28997