PANDEY, Ruby; 						DIKSHIT, Anupam.
 Gauging of water quality using principal component analysis: A case study of the river Ganges at Allahabad.
<strong>Bulletin of Environmental and Scientific Research</strong>, [S.l.], v. 4, n. 4, p. 1-6, dec. 2015.
ISSN 2278-5205.
Available at: &lt;<a href="https://www.besr.org.in/index.php/besr/article/view/57" target="_new">https://www.besr.org.in/index.php/besr/article/view/57</a>&gt;. Date accessed: 17 july 2026.