MEMON, Fakhar N.; MEMON, Shahabuddin. Calixarenes: A Versatile Source for the Recovery of Reactive Blue-19 Dye from Industrial Wastewater. Pakistan Journal of Analytical & Environmental Chemistry, [S.l.], v. 13, n. 2, p. 11, dec. 2012. ISSN 2221-5255. Available at: <http://pjaec.pk/index.php/pjaec/article/view/201>. Date accessed: 09 aug. 2020.