“ROLE OF PRECIPITATION AGENT ON FACILE SYNTHESIS OF CERIA NANO PARTICLES-POLY VINYL PYROLODIVINE ASSISTED COPRECIPITATION METHOD”. International Journal of Advance Engineering and Research Development (IJAERD), vol. 5, no. 19, Aug. 2022, p. -, https://ijaerd.org/index.php/IJAERD/article/view/6485.