A.Goharnejad และผู้แต่งคนอื่นๆ. (2015) A Grazing Capacity Model with Fuzzy Inference System in Semi-steppe Rangelands. <i>Environment and Natural Resources Journal</i>, <i>13</i>(2), 1 -13.A.Goharnejad และผู้แต่งคนอื่นๆ. "A Grazing Capacity Model with Fuzzy Inference System in Semi-steppe Rangelands". Environment and Natural Resources Journal 13 (2015):1 -13.A.Goharnejad และผู้แต่งคนอื่นๆ. A Grazing Capacity Model with Fuzzy Inference System in Semi-steppe Rangelands. Faculty of Environment and Resourdce Studies,Mahidol University:ม.ป.ท. 2015.