AL-Mohammedi, Saad A., and Haifaa H. AL-Abtan. “RESPONSE OF THE GROWTH AND YIELD OF TWO POTATO CULTIVARS TO SPRAYING OF BAT GUANO EXTRACT AND MICROELEMENTS ”. Diyala Agricultural Sciences Journal , vol. 8, no. 2, Dec. 2016, pp. 242-54, https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/1533.