1. Farzin.M., Jabbari,M.M., and M.R.,Akbari,2009), Impact of Drought in decreasingground watertable in Fars Province,Marvdasht Islamic Azad University (InPersian)
2. Geological Survey of Iran , Jahrom geologicalmap (1/250000)
3. Ghayour, H.,1997, Abundance andDistribution of Drought in Iran,Geographical Investigation, AshooraInstitute, No,45 (In Persian)
4. Khan, S., Gabriel, H.F., and T., Rana,2008, Standard precipitation index to trackdrought and assess impact of rainfall on watertables in irrigation areas, IrrigDrainage Syst, 159-177
5. Lashkaripour, G.R., Asghari-Moghadam,A.,Allaf-Najib,M., (2005). The effect of watertable decline on the ground water quality inMarand plain, Northwest iran. (In Persian)
6. Lashkaripour,GH., Ghafouri,M. andM.,Damshenas,Impact of decreasing ofwater level on quality of groundwater inFariman-Torbate Jam plain, 12thSymposium of Geological Society of Iran(In Persian)
7. McKee,Thomas B., Doesken,Nolan J.,Kliest,John., 1993,The relationship ofdrought frequency abd duration to timescales, Eighth Conference on AppliedClimatology, Department of AtmosphericSeience Colorado State University FortCollins
8. Mokari Manshadi,M., Jabbari, M.M., andH.,Sahraee, 2009, Investigation about thereason of variation in groundwater level inMond river basin, National Conference ofWater Crisis Management, MarvdashtIslamic Azad University (In Persian)
9. Parab Fars Consulting EngineeringCompany, 2007,Water Resource Atlas inMond river Basin (In Persian)
10. Shakiba,A., et al,( 2010), Drought and itsImpact on water resource in East ofKes=rmanshah Province by using SPIIndex, Iranian Geographical AssociationMagazine, No.25 (In Persian)
11. Todd,1980, Groundwater Hydrologywww.wrm.ir . www.ngdir.ir