Haruna Saleh & Tasi’u Yalwa Rilwanu. Relationship Between Rainfall Variability and Millet (Pennisetum Americanum L.) and Sorghum (Sorghum Bicolor (L) moench.) Yields in the Sudan Savanna Ecological Zone of Nigeria: A Modelling Approach. CRAS-V10 2021, 66-76.