Lahiri, S. K., A. Paul, S. C. Malick, S. Bhattacharjee, S. Mondal, P. Saha, and A. Sau. “A Study on Status of Water Contamination of the Tube Wells in a Rural Block of North 24 Parganas District of West Bengal, India”. International Journal Of Community Medicine And Public Health, vol. 4, no. 3, Feb. 2017, pp. 847-52, doi:10.18203/2394-6040.ijcmph20170770.