S. Kiran, F. Özkay, K. Şebnem, and E. Şebnem, “The Effect of Humic Acid Applications on Some Morphological, Physiological and Biochemical Characteristics of Eggplants Irrigated with Water Contained Heavy Metals in High Concentration”, Turkish JAF Sci.Tech., vol. 2, no. 6, pp. 280–288, Jul. 2014.