Pourmoghadas,H , , Shahmansouri,M R , and Zafarzadeh,A . "Chemical and Biological Study of Cistern Water Systems in Rular Areas of Golestan Province", Journal of Water and Wastewater; Ab va Fazilab (in persian), 14, 1, 2003, 26-31. doi: 10.22093/wwj.2003.176375