Utilization of hydrated petrifilm coupled with filtration in the detection and enumeration of Escherichia coli in water samples / 
Angelou Vanessa Z. Tarroza, Kristine V. Catsao, Marie Angeli Ramos, Lucille C. Villegas, and Asuncion K. Raymundo. 
 - Manila:  Department of Science and Technology  2019 
 - Philippine Journal of Science   Vol. 148 No. 2  June 2019 pages 395 - 399. .
<br/><br/><label>ISSN: </label>0031 -7683 
<br/><br/><label>Subjects--Index Terms: </label>Coliform,  E. coli,  Filtration,  Petrifilm,  Water analysis