Al-Saqaf ن. م.; Al-Hawshabi ع. س.; Hussein م. ع. Effect of Licorice Extract (Glycyrrhiza Glabra L.) on Germination and of Seedlings Growth of Onion (Allium Cepa L. Cv. Bafatiem). Univ. Aden J. Nat. and Appl. Sc. 2017, 21, 9-16.