Choudhary, S., N. Bhatnagar, and M. Singh. “SURFACTANT ASSISTED SILICA- GRAPHENE COMPOSITE AS EFFECTIVE ADSORBENT AGAINST METHYLENE BLUE DYE”. Journal of Advanced Scientific Research, Vol. 10, no. 04, Nov. 2019, pp. 83-90, https://sciensage.info/index.php/JASR/article/view/334.