Enhancing Water Quality Surveillance: A Comparative Analysis of Water Testing Portable Microbiological Lab and the Colilert Quanti-Tray 2000: https://dx.doi.org/10.4314/ajhs.v36i3.7. AJHS [Internet]. 2023 Nov. 29 [cited 2026 Apr. 15];36(3). Available from: https://ojs.ajhsjournal.or.ke/index.php/home/article/view/127