TY - JOUR AU - Mohammadi, Hamid AU - Naghshineh fard, mohammad AU - Boostani, fardin AU - Pishbin, syamak TI - Application of using fuzzy multi programming in optimal cropping products in Fars province: case study of Marvdasht region JO - Agroecology Journal VL - 5 IS - 2 SP - 116 EP - 133 PY - 2009 DO - ER -