. (2011). Market margin model of beech, hornbeam, alder and maple timbers (case study: Shafarod forest, Guilan providence). Iranian Journal of Forest, 2(4), 299-307.

. "Market margin model of beech, hornbeam, alder and maple timbers (case study: Shafarod forest, Guilan providence)", Iranian Journal of Forest, 2, 4, 2011, 299-307.

. (2011). 'Market margin model of beech, hornbeam, alder and maple timbers (case study: Shafarod forest, Guilan providence)', Iranian Journal of Forest, 2(4), pp. 299-307.

, "Market margin model of beech, hornbeam, alder and maple timbers (case study: Shafarod forest, Guilan providence)," Iranian Journal of Forest, 2 4 (2011): 299-307,

. Market margin model of beech, hornbeam, alder and maple timbers (case study: Shafarod forest, Guilan providence). IJF. 2011;2(4):299-307 (In Persian).