H. A. Mahmood, G. J. zedan, and K. Y. Aaid, “THE EFFECT OF AGRICULTURE METHODS AND PLANT DENSITY ON GROWTH AND YIELD OF GARLIC ( ALLIUM SATIVUM L. ) BY USING OF IRRIGATION DRIP SYSTEM IN A GYPSIFEROUS SOIL ”, DASJ, vol. 4, no. 2, pp. 200–212, Dec. 2012.