1. G. W. Van loon and S.J. Duffy, “The hydrosphere,” in Environmental Chemistry: A Global Perspective, 2nd ed. (Oxford University, New York, 2005), pp. 197–211.
2. Analyses of Lead in Water Dependthe Weather, nearthe Ex-Factory Production of Batteries Region, Berat, Albania
3. Concentration and Health Implication of Heavy Metals in Drinking Water from Urban Areas of Tigray Region, Northern Ethiopia
4. A. A. Adepoju-Bello and O.M. Alabi, “Heavy metals: A review,” The Nig. J. Pharm. 37, 41–45 (2005).
5. W. Bernhard and M. Sperling, Atomic Absorption Spectrometry, 3rd ed. (Wiley-VCH, 1999).