Sheidayi Karkaj, E., Mofidi Chalan, M., Akbarlou, M., Motamedi, J. (2014). 'Investigation on changes in soil organic matter and nutrient elements under various grazing intensities
(Case study: Chaharbagh mountain rangelands of Golestan province)', Iranian Journal of Range and Desert Research, 20(4), pp. 720-732. doi: 10.22092/ijrdr.2014.5811
)