Durak, A., H. Gunal, F. Akbas, and S. Kilic. “Long Term Cultivation Effects on Soil Properties in Pastures”. Asian Journal of Chemistry 18, no. 3 (March 30, 2010): 1953–1962. Accessed November 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/20931.