Elia, Emmanuel F. “Towards Establishing an Effective Data Management System in Tanzania: A Comparative Analysis of Scientific Climate Data and Farmers ’ Perception of Climate Change and Variability”. University of Dar Es Salaam Library Journal, vol. 13, no. 1, Jan. 2019, pp. 36-53, http://196.44.161.124/index.php/lj/article/view/2319.