TY  - JOUR
AU  - Rashvand, Saeed
AU  - Yeganeh, Hassan
AU  - Amiri, Fazel
TI  - Determining the Preference Value of Perennial Grasses Using Preference Index and Sheep Grazing Time Methods in Grasslands of the Middle Alborz, Iran
JO  - Journal of Rangeland Science
VL  - 7
IS  - 1
SP  - 1
EP  - 10
PY  - 2016
DO  - 
ER  -