Vieria dos Santos, J.; Farias Felipe, V.; Fialho Morais Xavier, E.; Almeida de Oliveira, T.; Silva Jale, J.; Alves Xavier Junior, S. F. A STUDY OF THE STANDARDIZED PRECIPITATION INDEX (SPI) AND MACHINE LEARNING TECHNIQUES FOR DROUGHT PREDICTION IN THE STATE OF PARAÍBA, BRAZIL. RECIMA21 2024, 5, e5105736.