S. A. Townsend, “The Relationship between Salmonella and Faecal Indicator Bacteria Concentrations in Two Pools in the Australia Wet/Dry Tropics,” Journal of Applied Bacteriology, Vol. 2, No. 73, 1992, pp. 182-188.
 M. D. Sobsey, “Microbial Detection: Implications for Exposure, Health Effects, and Control,” In: G. F. Craun, Ed, Safety of Water Disinfection: Balancing Chemical and Microbial Risks, Intl Life Sciences Inst Pres, Washington DC, 2001, pp. 11-51.
 K. S. Manja, R. Sambasiva, K. V. Chandrashekhava, K. J. Nath, S. Dutta, K. Gopal, L. Iyengar, S. S. Dhindsa and S. C. Parija, “Report of Study on H2S Test for Drinking Water,” UNICEF, New Delhi, 2001.
 L. W. Sinton, R. K. Finlay and D. L. Hannah, “Distinguishing Human from Animal Faecal Contamination in Water, A Review,” New Zealand Journal of Marine & Freshwater Research, Vol. 2, No. 32, 1998, pp. 323-348. doi:10.1080/00288330.1998.9516828
 P. Kaspar, I. Guillen, D. Revelli, T. Meza, G. Velazquez, L. Mino de Kasper, C. Pozolli, C. Nunez and G. Zoulek, “Evaluation of a Simple Screening Test for the Quality of Drinking Water Systems,” Annals of Tropical Medicine and Parasitology, Vol. 3, No. 43, 1992, pp. 124-127.
 G. Castillo, R. Duarte, Z. Ruiz, M. T. Marucic, B. Honorato, R. Mercado, V. Coloma, V. Lorca, M. T. Martins and B. J. Dutka, “Evaluation of Disinfected and Untreated Drinking Water Supplies in Chile by the H2S Paper Strip Test,” Water Research, Vol. 11, No. 28, 1994, pp. 1765-1770. doi:10.1016/0043-1354(94)90249-6
 B. Genthe and M. Franck, “A Tool for Assessing Microbial Quality in Small Community Water Supplies,” WRC Report Pages to Water Research Commission by Division of Water, Environment and Forestry Technology, CSIR, Stellenbosch, Vol. 33, No. 961/1/99, 1999.
 M. Martins, G. Castillo and B. J Dutka, “Evaluation of Drinking Water Treatment Plant Efficiency in Microorganism Removal by the Coliphage, Total Coliform and H2S Paper Strip Test,” Water Science and Technology, Vol. 3, No. 35, 1997, pp. 403-407. doi:10.1016/S0273-1223(97)00293-X
 G. K. Rijal, R. S. Fujioka and C. A. Ziel, “Evaluation of the Hydrogen Sulfide Bacteria Test, a Simple Test to Determine the Hygienic Quality of Drinking Water, Abstracts of the General meeting of the American Society for Microbiology,” Poster Presentation (Unpublished), American Society of Microbiology, Washington DC, 2000.
 P. Kromoredjo and R. Fujioka, “Evaluating Three Simple Methods to Assess the Microbial Quality of Drinking Water in Indonesia,” Environmental technology and Water Quality, Vol. 1, No. 6, 1991, pp. 259-270.
 A. Boubetra, C. C. Le Nestour Allaert and M. Feinberg, “Validation of Alternative Methods for the Analysis of Drinking Water and Their Application to Escherichia coli,” Applied and Environmental Microbiology, Vol. 10, No. 77, 2011, pp. 3360-3367. doi:10.1128/AEM.00020-11
 R. T. Noble, M. K. Leecaster, C. D. McGee, S. B. Weis- berg and K. Ritter, “Comparison of Total Feacal Coliform and Enterococcus Response for Ocean Recreational Water Quality Testing,” Water Research, Vol. 37, No. 7, 2003, pp. 1637-1643. doi:10.1016/S0043-1354(02)00496-7
 M. Arvanitidou, S. Spaia, A. Velegraki, M. Pazargbou, D. Kanetidis, P. Pangidis, N. Askepidis, C. H. Katsinas, G. Vayonas and V. Katsouyannopoulos, “High Level of Recovery of Fungi from Water and Dialysate in Heamolysis Unit,” Journal of Hospital Infection, Vol. 3, No. 45, 2000, pp. 225-230. doi:10.1053/jhin.2000.0763
 M. Y. Sweeny and A. D. Dobson, “Mycotoxin Production by Aspergillus, Fusarium and Penicillin Species,” International Journal of Food Microbiology, Vol. 3, No. 43, 1998, pp. 141-158. doi:10.1016/S0168-1605(98)00112-3
 S. Kalpana A. I. Bagudo and A. A. Aliero “Microbiological Analysis of Sachet Drinking Water Marketed at Two Sites in Aliero, Kebbi State, Nigeria,” Continental Journal of Microbiology, Vol. 1, No. 5, 2011, pp. 29-36.