Abdul-Wahab, Nabil Ibrahim. 2010. “EFFECET OF POLLINATION DATE ON FRUIT SET IN DATE PALM (Phoenix Dactylifera L.) C . V . ASHRASSI . ”. Diyala Agricultural Sciences Journal 2 (1):257-62. https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3137.