Suliman, Abdulhalim Ali. “SPATIAL VARIABILITY OF SOME SOIL PHYSICAL AND CHEMICAL PROPERTIES FOR ALLUVIAL SOILS BETWEEN EUPHRATES AND TIGRIS USING TIME SERIES ANALYSIS”. Diyala Agricultural Sciences Journal , vol. 6, no. 1, June 2014, pp. 159-71, https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/1678.