Kamboj, N., R. S. Aswal, and P. Singh. “Occurrence of Heavy Metals in Ganga Canal Water at Haridwar (Uttarakhand), India: A Case Study”. Archives of Agriculture and Environmental Science, vol. 2, no. 2, June 2017, pp. 119-23, https://journals.aesacademy.org/index.php/aaes/article/view/02-02-011.