P.W., Marchelo-d’Ragga, and Deng, P.K. “MORPHOLOGICAL, PHYSICAL AND CHEMICAL CHARACTERIZATION OF SOILS REPRESENTING THE CLAY PLAINS OF THE SUDAN”. IJRDO-Journal of Agriculture and Research (ISSN: 2455-7668) 4, no. 1 (January 31, 2018): 16-34. Accessed November 24, 2024. https://ijrdo.org/index.php/ar/article/view/1794.