Sadaqa ع. ع. ع., and Bagash م. م. ي. “Effect of Garlic Extract and Zinc on Germination and Growth of Tomato Seeds”. University of Aden Journal of Natural and Applied Sciences, vol. 24, no. 1, Apr. 2020, pp. 11-18, doi:10.47372/uajnas.2020.n1.a02.