Alkarkhi, A.F., Norli, M., Ahmad, I. and Easa, A.M. (2009). Analysis of heavy metal concentrations in sediments of selected estuaries of Malaysia- a statistical assessment. Environ Monit Assess, 153:179–185.
Dural Meltem, M. Z., Goksu, L., Ozak, A. A. and Derici, B. (2006). Bioaccumulation of some heavy metals in different tissues of Cicentrarchus labrax L., 1758, Sparus aurata L.,158 and Mugli cephalus L., 1758 from the Camlik Lagoon of the eastern coast of Mediterranean. Environmental Monitoring and Assessment, 118: 65-74.
Ebrahimpour, M., Mosavisefat, M. and Mohabbati, R. (2010 a). Acute toxicity bioassay of mercuric chloride: an alien fish from a river. Toxicological & Environmental Chemistry, 92(1): 169-173.
Ebrahimpour, M., Alipour, H. and Rakhshah, S. (2010 b). Influence of water hardness on acute toxicity of copper and zinc on fish. Toxicology and Industrial Health, 26: 361-365.
EPA. (2009). Probit Analysis, Version 1.5, Available from: http://www.epa.gov/nerleerd /stat2.htm.
Garcia, R. and Huffaker, C. B. (1979). Ecosystem management for suppression of vectors of human malaria and schistosomiasis. Journal of Agro-Ecosystems, 5: 295-315.
Gillis, P. L., Mitchell, R. J., Schwalb, A. N., McNichols, K. A., Mackie, G. L., Wood, C. M. and Ackerman, J. D. ( 2008). Sensitivity of the glochidia (larvae) of freshwater mussels to copper: Assessing the effect of water hardness and dissolved organic carbon on the sensitivity of endangered species. Aquatic Toxicology, 88: 137–145.
Harmon, S. M., King, J.K., Gladden, J.B., Chandler, G.T. and Newman. L .A. (2005). Mercury body burdens in Gambusia holbrooki and Erimyzon sucetta in a wetland mesocosm amended with sulfate. Journal of Chemosphere,59 (2): 227-233.
Javid, A., Javed, M. and Abdullah, S. (2007). Nickel bio-accumulation in the bodies of Catla
catla, Labeo rohita and Cirrhina mrigala during 96-hr LC50 exposures. International Journal of Agriculture and Biology. 9: 139–142.
Kamrin, M. A. (2000). Basic concepts in toxicology and environmental chemistry. Pesticide profiles (Toxicity, Environmental Impact and Fate), Lewis Publishers: New York, 676 pp.
Kim, S. D; Gu, M. B; Allen, H. E; Cha, D. (2001). Physiochemical factors affecting the sensitivity of Ceriodaphnia bulba to copper. Environmental Monitoring and Assessment. 70:105–116.
Leyse, K. E; Lawler S. P. and Strange T. (2004). Effects of an alien fish, Gambusia affinis, on an endemic California fairy shrimp, Linderiella occidentalis: Implications for conservation of diversity in fishless waters. Biological Conservation, 118: 57–65.
Markich, S .J., King, A. R. and Wilson, S. P. (2006). Non-effect of water hardness on the accumulation and toxicity of copper in a freshwater macrophyte (Ceratophyllum demersum): How useful are hardness-modified copper guidelines for protecting freshwater biota?. Chemosphere, 65: 1791–1800.
Martins, R. J. E., Pardob, R. and Boaventura, R. A. R. (2004). Cadmium (II) and zinc (II) adsorption by the aquatic moss Fontinalis antipyretica: effect of temperature, pH and water hardness. Water Research, 38: 693–699.
OECD. (1992). OECD guideline for testing of chemicals, Fish, acute toxicity test, 203:1-9.
Perschbacher, P.W. and Wurts, W. A. (1999). Effects of calcium and magnesium hardness on acute copper toxicity to juvenile channel catfish Ictalurus punctatus.Aquaculture, 172: 275-280.
Penttinen, S., Kostamo, A. and Kukkonen, J. V. K.(1998). Combined effects of dissolved organic material and water hardness on toxicity of cadmium to Daphnia magna. Environmental Toxicology and Chemistry,17: 2498–2503.
Pyle, G. G., Swanson, S. M. and Lehmkuht, D. M. (2002). The influence of water hardness, pH, and suspended solids on nickel toxicity to larva fathead minnows (Pimephales promelas). Water, Air, and Soil Pollution,133: 215–226.
Rathore, R. S. and Khangarot, B. S. (2003). Effects of water hardness and metal concentration on a freshwater Tubifex tubifex muller. Water, Air, and Soil Pollution, 142: 341–356.
Straus, D. L. (2003). The acute toxicity of copper to blue tilapia in dilutions of settled pond water. Aquaculture, 219: 233–240.
Tabibzadeh, I., Behbehani, G. and Nakhai, R. (1970). Use of Gambusia fish in the malaria eradication program of Iran. Bulletin of the World Health Organization, 43: 623-626.
TRC. (1984). OECD Guideline for Testing of Chemicals, Section2: Effect on biotic systems, 1-39.
Vedamanikam, V. J. and Shazilli N. A. M. (2008). Comparative toxicity of nine metals to two Malaysian aquatic Dipterian larvae with reference to temperature variation. Bull Environ Contam Toxicol, 80:516–520.