Alaa Al-Jalili, dr. 2013. The Role of Organization Resources Planning Toward Productivity Enhancement: An Investigation Study for the Managers’ Opinions in the State Company for Drugs Industries and Medical Appliances / Nineveh. TANMIYAT AL-RAFIDAIN. 35, 113 (Sep. 2013), 159–177. DOI:https://doi.org/10.33899/tanra.2013.162075.