MWANGI, Ian; NEONDO, Johnstone; MAKORI, Alfrick; ODARI, Eddy. Determining the Presence of Escherichia coli and Salmonella sp. as Indicator Organisms of Contamination from Fresh Produce Sold in Open-Air Markets in Juja. Journal of Physical and Applied Sciences (JPAS), [S. l.], v. 5, n. 1, p. 1–22, 2026. DOI: 10.51317/jpas.v4i1.691. Disponível em: https://www.journals.editononline.com/index.php/jpas/article/view/691. Acesso em: 20 jun. 2026.