LAWAN BULAMA, EJEH LAWRENCE UDEH, ADAMU IBRAHIM, FATIMA MUHAMMAD ALAMAI, et MUSTAPHA ALIBE. « ASSESSING THE EFFECTIVENESS OF SPI AND PDBM INDICES IN METEOROLOGICAL DROUGHTS DETECTION; A COMPARATIVE APPROACH ». International Journal of Advanced Academic Research 9, no. 11 (novembre 18, 2023): 1–11. Consulté le octobre 22, 2026. https://www.openjournals.ijaar.org/index.php/ijaar/article/view/254.