Bontogho, T.-N.P.E. , Kansole, M.M.R., Kabore, M. and Guira, M. 2023. Comparative analyses of SPI and SPEI as drought characterization tools in Massili watershed, central Burkina Faso . International Journal of Hydrology Research. 8, 1 (Sep. 2023), 14–22. DOI:https://doi.org/10.18488/ijhr.v8i1.3485.