1. Behzad M, Albaji M, Papan P, Nasab S B, Naseri A A, Bavi A (2009). Qualitative evaluation of land suitability for principal crops in the Gargar Region, Khuzestan Province, Southwest Iran. Asian J Plant Sci, 8(1): 28–34
2. Dunshan C, Claudia D B, Sara D S, Hui B, Maddalena D L L, Weidong L, Hailong M A (2006). Land evaluation in Danling County, Sichuan Province, China. Proceedings of 26th Course Professional Master Geomatics and Natural Resources Evaluation, Nov. 7, 2005–Jun. 23, 2006, Ministry of Foreign Affairs. Instituto Agronomico Per L’olfremare, Italy, 1–153
3. FAO (1976). A framework for land evaluation. FAO Soils Bulletin No. 32, Rome
4. FAO (1983). Guidelines: Land evaluation for rainfed agriculture. FAO Soils Bulletin. No. 52, Rome
5. FAO (1985). Guidelines: Land evaluation for irrigated agriculture. FAO Soils Bulletin, No. 55, Rome