Al- Assaf, Mohamad Ali, Zainal Saeed Abbas, Ibtisam nadum haizm, and Maha Mohamad Taha. 2013. “EFFECT OF SPRAYING GIBBERELLIC ACID AND NITROGEN ON TWO TYPES OF POTATOES VAR. ALASKA ”. Diyala Agricultural Sciences Journal 5 (2):384-95. https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/2761.