Shaibu, A., G. Kranjac-Berisavljevic, and G Nyarko. “Soil Physical and Chemical Properties and Crop Water Requirement of Some Selected Vegetable Crops at Central Experimental Field of Urban Food Plus Project in Sanarigu District, Tamale, Ghana”. Ghana Journal of Science, Technology and Development 5, no. 1 (1): 14-24. Accessed April 24, 2019. http://gjstd.org/index.php/GJSTD/article/view/98.