PARMAR VIJYA, THAKKAR KRUNALI, MINAL ROHIT, and D.B MESHRAM. “A REVIEW ON VARIOUS TECHNIQUES AND PARAMETRS SIGNIFYING PURITY OF WATER”. Innovare Journal of Food Sciences 1, no. 1 (April 1, 2013): 8–14. Accessed October 27, 2021. https://innovareacademics.in/journals/index.php/ijfs/article/view/206.