Clark, J.A.2007-11-122004-12-222007-11-121968Clark, J. A. (1968). A presence–absence (P–A) test providing sensitive and inexpensive detection of coliforms, fecal coliforms, and fecal streptococci in municipal drinking water supplies. Canadian journal of microbiology, 14(1), 13-18. https://doi.org/10.1139/m68-003http://hdl.handle.net/10625/2874Related to IDRC projects on water quality testingText1 digital file (p. 13-18)application/pdfenDRINKING WATERWATER POLLUTANTSWATER POLLUTIONWATER QUALITYTESTINGCANADAPresence-absence (P-A) test providing sensitive and inexpensive detection of coliforms, fecal coliforms, and fecal streptococci in municipal drinking water suppliesJournal Article (peer-reviewed)