M. Jafari, M. Z. Chahouki, A. Tavili, and H. Azarnivand, “Soil-Vegetation Relationships in Hoz-e-Soltan Region of Qom Province, Iran”, Pak. J. Nutr., vol. 2, no. 6, pp. 329–334, Oct. 2003, doi: 10.3923/pjn.2003.329.334.