Yashim, J. T., A. F. Abdussalam, and I. I. Abbas. “An Assessment of Rainfall Attributes and Onsets-Cessations Dates Effective for Cropping in Lafia, Nasarawa State, Nigeria”. Physics Memoir - Journal of Theoretical & Applied Physics, vol. 2, no. 1, Aug. 2020, pp. 7-14, https://physicsmemoir.org.ng/index.php/pmjtap/article/view/89.