AL Rasslany, Ibtisam A., and Ali M. Mahde. “EFFECTS OF POLY VINYL ALCOHOL AND WHEAT RESIDUALS COVER ON MOISTURE OF CALCAREOUS LOAMY SAND SOIL”. Diyala Agricultural Sciences Journal , vol. 10, no. 2, Dec. 2018, pp. 174-82, https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3376.