“Green Synthesis of Silver nanoparticlesNanoparticles(AgNPs) using Calotropis procera leaves Leaves extract Extract and it adsorption Adsorption properties Properties for the removal Removal Chromium(III) ion. of Cr3+ from Petroleum Waste Water” (2024) Communication In Physical Sciences, 11(1). Available at: https://journalcps.com/index.php/volumes/article/view/127 (Accessed: 12 August 2026).