Dissertations, Academic (Ph.D) 1 Escherichia coli-Antibiotic resistance-Kumarakom lake 1 Escherichia coli-Biological diversity-Kumarakom lake Salmonella-Antibiotic resistance-Kumarakom lake 1 Salmonella-Biological diversity-Kumarakom lake 1 Thesis (Ph.D)-Environmental science 1 Vibrio cholerae-Antibiotic resistance-Kumarakom lake 1 Vibrio cholerae-Biological diversity-Kumarakom lake 1 Vibrio parahaemolytics-Antibiotic resistance-Kumarakom lake 1 Vibrio parahaemolytics-Biological diversity-Kumarakom lake 1